Filtering assembly, dust box and sweeping robot

Abstract

The utility model discloses a filtering assembly, a dust box and a sweeping robot. The filtering assembly is applied to the sweeping robot, the sweeping robot is provided with a dust collection cavity and a fan cavity, the filtering assembly comprises a filtering piece, the filtering piece comprises a first filtering section and a second filtering section, and the first filtering section is different from the second filtering section; under the condition that the filtering piece is installed on an air suction opening of a dust box of the sweeping robot, the filtering piece has the following two states that in the first state, the first filtering section is configured to face the dust collection cavity so as to be used for preventing dust from entering the fan cavity from the dust collection cavity during dust collection; in the second state, the second filtering section is configured to face the dust collection cavity so as to prevent dust from entering the fan cavity from the dust collection cavity during dust collection; and the first state and the second state are switched through the movement of the filtering piece relative to the air suction opening. According to the filtering assembly, the tedious operation that a user regularly and manually disassembles an old filtering piece to replace a new filtering piece can be avoided.

Description

Technical Field

[0001] This application relates to the field of robotic vacuum cleaner technology, and in particular to a filter component, a dustbin, and a robotic vacuum cleaner. Background Technology

[0002] In related technologies, due to the size limitations of the dustbin in robotic vacuum cleaners, the effective area of ​​the filter is relatively small. After a period of use, once the filter is clogged with dust, the negative pressure inside the dustbin will be insufficient, resulting in a decrease in the vacuuming ability of the robotic vacuum cleaner. Therefore, users need to manually remove the old filter regularly to replace it with a new one, which is cumbersome and results in a poor user experience. Utility Model Content

[0003] The embodiments of this application provide a filter assembly, a dustbin, and a robotic vacuum cleaner to solve at least one of the aforementioned technical problems.

[0004] In a first aspect, an embodiment of this application provides a filtering component applied to a robotic vacuum cleaner, the robotic vacuum cleaner having a dust collection chamber and a fan chamber, the filtering component comprising:

[0005] A filter element, the filter element comprising a first filter section and a second filter section, wherein the first filter section is different from the second filter section;

[0006] When the filter element is installed at the air intake of the dustbin of the robotic vacuum cleaner, the filter element has the following two states:

[0007] In the first state, the first filter section is configured to face the dust collection chamber to prevent dust from entering the fan chamber from the dust collection chamber during vacuuming;

[0008] In the second state, the second filter section is configured to face the dust collection chamber to prevent dust from entering the fan chamber from the dust collection chamber during vacuuming;

[0009] Furthermore, the first state and the second state are switched by the movement of the filter relative to the air intake.

[0010] In the above-mentioned filter assembly, in the first state, the first filter section of the filter assembly performs the filtering function, and in the second state, the second filter section of the filter assembly performs the filtering function. The two states can be switched by moving the filter assembly, thus eliminating the tedious operation of users periodically disassembling old filter elements to replace new ones.

[0011] In some implementations, in a first state, the second filter section is configured not to face the dust collection chamber;

[0012] In the second state, the first filter section is configured not to face the dust collection chamber.

[0013] In some embodiments, when the filter element is installed to the air intake, the movement of the filter element includes rotational or translational movement of the filter element relative to the air intake.

[0014] In some embodiments, the filter assembly includes a support member that covers the outer peripheral surface of the support member.

[0015] In some embodiments, the filter element is movable relative to the support to switch between the first state and the second state, or the filter element and the support element are movable synchronously to switch between the first state and the second state.

[0016] In some embodiments, when the movement of the filter element relative to the air inlet includes rotational movement of the filter element relative to the air inlet, the support element is a roller-shaped support element.

[0017] In some embodiments, when the movement of the filter element includes rotational movement of the filter element relative to the air inlet, the filter element is arranged in a roller shape.

[0018] In some implementations, the movement of the filter element can be manually driven by the user.

[0019] In some embodiments, the filter assembly further includes a drive mechanism that is tractively connected to the filter element and is used to drive the filter element to switch between the first state and the second state.

[0020] In some embodiments, the drive mechanism can operate in response to a preset trigger signal to drive the filter to switch between the first state and the second state.

[0021] In some embodiments, the filter assembly further includes a detection sensor for detecting dust accumulation on the filter element. The detection sensor is electrically connected to the drive mechanism to transmit the detection signal of the detection sensor to the drive mechanism. The preset trigger signal includes the detection signal of the detection sensor.

[0022] In some embodiments, the detection sensor includes any of the following types: resistance sensor, photoelectric sensor, image sensor, differential pressure sensor, or electrostatic sensor.

[0023] In some embodiments, the drive mechanism can operate at a preset frequency to drive the filter to switch between the first state and the second state.

[0024] In some embodiments, the filter assembly further includes a cleaning mechanism for cleaning dust from the filter element.

[0025] In some embodiments, in the first state, the cleaning mechanism is used to clean the second filter section; or

[0026] In the second state, the cleaning mechanism is used to clean the first filter section.

[0027] In some implementations, the filter element is capable of reciprocating motion to switch back and forth between the first state and the second state.

[0028] Secondly, an embodiment of this application provides a dust box including a filter assembly and an air intake of any of the above embodiments, wherein the filter assembly covers the air intake and is movable relative to the air intake.

[0029] Thirdly, the sweeping robot provided in this application includes the dust box of the above-described embodiments.

[0030] Additional aspects and advantages of this application 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 this application. Attached Figure Description

[0031] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, wherein:

[0032] Figure 1 This is one of the partial structural schematic diagrams of the sweeping robot according to the embodiments of this application;

[0033] Figure 2 This is a second partial structural schematic diagram of the sweeping robot according to the embodiments of this application;

[0034] Figure 3 This is one of the cross-sectional schematic diagrams of the dust box according to an embodiment of this application;

[0035] Figure 4 This is a second cross-sectional schematic diagram of the dust box according to an embodiment of this application;

[0036] Figure 5 This is the third cross-sectional schematic diagram of the dust box according to an embodiment of this application;

[0037] Figure 6 This is the fourth cross-sectional schematic diagram of the dust box according to the embodiments of this application.

[0038] Explanation of key component reference numerals:

[0039] Filter assembly 100, robot vacuum cleaner 200, dust box 300, dust collection chamber 12, fan chamber 14, filter element 16, first filter section 18, second filter section 20, air intake 22, fan assembly 24, box body 26, air inlet 28, support member 30, air passage 32, drive mechanism 34. Detailed Implementation

[0040] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0041] In the description of this application, 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 indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0042] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" 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, and they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0043] This application discloses numerous different embodiments or examples for implementing various structures. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, this application provides examples of various specific processes and materials, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0044] Please refer to Figures 1 to 6This application provides a filter assembly 100, which is applied to a sweeping robot 200. The sweeping robot 200 has a dust collection chamber 12 and a fan chamber 14. The filter assembly 100 includes a filter element 16, which includes a first filter section 18 and a second filter section 20. The first filter section 18 is different from the second filter section 20.

[0045] When the filter element 16 is installed at the air intake 22 of the dustbin 300 of the robotic vacuum cleaner 200, the filter element 16 has the following two states:

[0046] In the first state, the first filter section 18 is configured to face the dust collection chamber 12 to prevent dust from entering the fan chamber 14 during vacuuming. In the second state, the second filter section 20 is configured to face the dust collection chamber 12 to prevent dust from entering the fan chamber 14 during vacuuming. The first and second states are switched by the movement of the filter element 16 relative to the air intake 22.

[0047] In the above-mentioned filter assembly 100, in the first state, the first filter section 18 of the filter assembly 100 performs the filtering function, and in the second state, the second filter section 20 of the filter assembly 100 performs the filtering function. The two states can be switched by the movement of the filter assembly 100, thus eliminating the tedious operation of the user periodically disassembling the old filter element 16 to replace the new filter element 16.

[0048] In some implementations, the filter assembly 100 may exist as a separate accessory in the unassembled state; in the assembled state, the filter assembly 100 may exist as a component of the robotic vacuum cleaner 200.

[0049] Specifically, in one embodiment, the robotic vacuum cleaner 200 may include a housing, a dustbin 300, and a fan assembly 24. The dustbin 300 and the fan assembly 24 may be disposed within the housing. The dustbin 300 may include a box body 26 and a filter assembly 100. The box body 26 has a dust collection chamber 12, an air intake 22, and an air inlet 28, both of which are connected to the dust collection chamber 12. The fan assembly 24 has a fan chamber 14, and a filter element 16 may be installed at the air intake 22 to cover it. The fan chamber 14 is connected to the air intake 22 through the filter element 16. When the fan assembly 24 is working, a negative pressure is formed in the fan chamber 14, which can then create a negative pressure in the dust collection chamber 12 through the air intake 22, drawing dust from the air inlet 28 into the dust collection chamber 12. The drawn-in dust moves toward the air intake 22 and can be adsorbed onto the filter element 16 and trapped by the filter element 16, thereby preventing dust from entering the fan chamber 14 and causing the fan assembly 24 to malfunction.

[0050] The filter element 16 includes a first filter section 18 and a second filter section 20. The first filter section 18 is different from the second filter section 20. Thus, the movement of the filter element 16 relative to the air intake 22 allows the first filter section 18 in a first state to face the dust collection chamber 12 to prevent dust from entering the fan chamber 14 during suction, and the second filter section 20 in a second state to face the dust collection chamber 12 to prevent dust from entering the fan chamber 14 during suction. Therefore, in the first state, the first filter section 18 of the filter assembly 100 performs a filtering function, and in the second state, the second filter section 20 of the filter assembly 100 performs a filtering function. The two states can be switched by the movement of the filter element 16, thus eliminating the tedious operation of manually disassembling the old filter element 16 periodically to replace it with a new one.

[0051] Filter element 16 includes, but is not limited to, a filter screen. Dust includes, but is not limited to, hair, particulate waste (such as dust), paper, food scraps, glass shards, wood chips, etc.

[0052] In some implementations, please refer to Figures 3 to 6 In the first state, the second filter section 20 is configured not to face the dust collection chamber 12. In the second state, the first filter section 18 is configured not to face the dust collection chamber 12.

[0053] Therefore, under different conditions, different filter sections do not face the dust collection chamber 12, so that the corresponding filter sections will not adsorb dust.

[0054] Specifically, in the first state, the first filter section 18 is configured to face the dust collection chamber 12 to prevent dust from entering the fan chamber 14 during vacuuming. The first filter section 18 can face the dust collection chamber 12 to prevent dust from entering the fan chamber 14. In the first state, the second filter section 20 does not face the dust collection chamber 12. When the fan assembly 24 is working, dust adheres to the first filter section 18 at the air intake 22. Because the second filter section 20 does not face the dust collection chamber 12, dust will not adhere to it. When the second filter section 20 is not used (e.g., no dust or a small amount of dust), dust accumulation on the second filter section 20 can be reduced, thus ensuring that the suction power meets the requirements when switching to the second state. When the second filter section 20 is used (e.g., a lot of dust), the used second filter section 20 can be prevented from clogging the air intake 22, thus avoiding a decrease in suction power in the first state and affecting the normal operation of the robot vacuum cleaner 200.

[0055] In the second state, the second filter section 20 is configured to face the dust collection chamber 12 to prevent dust from entering the fan chamber 14 during vacuuming. The second filter section 20 can face the dust collection chamber 12 to prevent dust from entering the fan chamber 14. In the second state, the first filter section 18 does not face the dust collection chamber 12. When the fan assembly 24 is working, dust adheres to the second filter section 20 at the air intake 22. Because the first filter section 18 does not face the dust collection chamber 12, dust does not adhere to it. When the first filter section 18 is not used (e.g., no dust or a small amount of dust), dust accumulation on the first filter section 18 can be reduced, ensuring sufficient suction power when switching to the first state. When the first filter section 18 is used (e.g., a large amount of dust), the used first filter section 18 can be prevented from clogging the air intake 22, thus avoiding a decrease in suction power in the second state and affecting the normal operation of the robot vacuum cleaner 200.

[0056] In some implementations, please refer to Figures 3 to 6 When the filter element 16 is installed at the air intake 22, the movement of the filter element 16 includes rotational or translational movement of the filter element 16 relative to the air intake 22.

[0057] Therefore, the movement mode of the filter element 16 can be flexibly selected.

[0058] Specifically, in one implementation, please refer to... Figures 3 to 4 When the filter element 16 is installed at the air intake 22, the movement of the filter element 16 includes rotational movement of the filter element 16 relative to the air intake 22. The filter element 16 can rotate about a rotation axis relative to the air intake 22, thereby switching between a first state and a second state. In the first state, the first filter section 18 is configured to face the dust collection chamber 12 to prevent dust from entering the fan chamber 14 during vacuuming, so that dust can adhere to the first filter section 18 without entering the fan chamber 14. In the second state, the second filter section 20 is configured to face the dust collection chamber 12 to prevent dust from entering the fan chamber 14 during vacuuming, so that dust can adhere to the second filter section 20 without entering the fan chamber 14.

[0059] Optionally, in one embodiment, in the first state, the filter element 16 can rotate clockwise relative to the air intake 22 to switch to the second state, and in the second state, the filter element 16 can rotate counterclockwise relative to the air intake 22 to switch back to the first state. Alternatively, in one embodiment, in the first state, the filter element 16 can rotate counterclockwise relative to the air intake 22 to switch to the second state, and in the second state, the filter element 16 can rotate clockwise relative to the air intake 22 to switch back to the first state.

[0060] Optionally, in one embodiment, in the first state, the filter element 16 can be rotated clockwise relative to the air intake 22 to switch to the second state, and in the second state, the filter element 16 can be rotated clockwise relative to the air intake 22 to switch to the first state.

[0061] Optionally, in one embodiment, in the first state, the filter element 16 can be rotated counterclockwise relative to the air intake 22 to switch to the second state, and in the second state, the filter element 16 can be rotated counterclockwise relative to the air intake 22 to switch to the first state.

[0062] In one implementation, please refer to Figures 5 to 6 When the filter element 16 is installed at the air intake 22, the movement of the filter element 16 includes translational movement of the filter element 16 relative to the air intake 22. Figure 5 and Figure 6 In this configuration, the filter element 16 can translate vertically relative to the air intake 22, thereby switching between a first state and a second state. In the first state, the first filter section 18 is configured to face the dust collection chamber 12 to prevent dust from entering the fan chamber 14 during vacuuming, so that dust can adhere to the first filter section 18 and not enter the fan chamber 14. In the second state, the second filter section 20 is configured to face the dust collection chamber 12 to prevent dust from entering the fan chamber 14 during vacuuming, so that dust can adhere to the second filter section 20 and not enter the fan chamber 14.

[0063] Optionally, in one embodiment, in the first state, the filter element 16 can be translated downward relative to the air intake 22 to switch to the second state, and in the second state, the filter element 16 can be translated upward relative to the air intake 22 to switch back to the first state. Alternatively, in one embodiment, in the first state, the filter element 16 can be translated upward relative to the air intake 22 to switch to the second state, and in the second state, the filter element 16 can be translated downward relative to the air intake 22 to switch back to the first state.

[0064] In some implementations, please refer to Figures 1 to 4 The filter assembly 100 includes a support 30, and a filter element 16 covers the outer peripheral surface of the support 30.

[0065] Therefore, the support member 30 can support the filter element 16, making the filter element 16 less prone to deformation and easier to move when the fan assembly 24 is working.

[0066] Specifically, in one embodiment, when the fan assembly 24 is operating, the negative pressure may cause the filter element 16 to deform, resulting in a decrease in suction power. The filter element 16 covers the outer peripheral surface of the support member 30, and the support member 30 can provide a certain degree of support for the filter element 16, thereby reducing the amount of deformation of the filter element 16 during the dust collection process and improving the dust collection effect.

[0067] In one embodiment, when the filter element 16 moves, it can move relative to the support member 30, which can provide a support surface for the filter element 16 to move, making the filter element 16 easier to move.

[0068] In one embodiment, when the filter element 16 moves, it can move synchronously with the support element 30. The filter element 16 can be moved synchronously by driving the support element 30 to move, making the filter element 16 easier to move.

[0069] In one embodiment, when the filter element 16 switches between a first state and a second state via rotational movement, the outer peripheral surface of the support element 30 can be a cylindrical surface. In another embodiment, when the filter element 16 switches between a first state and a second state via translational movement, the outer peripheral surface of the support element 30 can be a planar surface.

[0070] In some implementations, please refer to Figures 1 to 4 The filter element 16 can move relative to the support 30 to switch between a first state and a second state, or the filter element 16 and the support 30 can move synchronously to switch between a first state and a second state.

[0071] Therefore, the filter element 16 can be driven to move in different ways.

[0072] Optionally, in one embodiment, the filter element 16 is movable relative to the support member 30 to switch between a first state and a second state. Specifically, the filter element 16 movably covers the outer peripheral surface of the support member 30. When the filter element 16 moves, the support member 30 can remain stationary, while the filter element 16 can move relative to the support member 30. The support member 30 can provide a support surface for the movement of the filter element 16, making it easier for the filter element 16 to move. The filter element 16 can rotate or translate relative to the support member 30 to switch between the first state and the second state.

[0073] In one embodiment, the filter element 16 and the support element 30 can move synchronously to switch between a first state and a second state. Specifically, the filter element 16 can be fixedly covered on the outer peripheral surface of the support element 30. The structure formed by the filter element 16 and the support element 30 is movably mounted on the robotic vacuum cleaner 200. When the filter element 16 needs to move, it can be moved synchronously by moving the support element 30. The structure formed by the filter element 16 and the support element 30 can rotate or translate to switch between the first state and the second state. By moving the support element 30 to move the filter element 16 synchronously, the filter element 16 can also be moved more easily.

[0074] In some implementations, please refer to Figures 1 to 4 When the movement of the filter element 16 relative to the air inlet 22 includes the rotational movement of the filter element 16 relative to the air inlet 22, the support element 30 is a roller-shaped support element 30.

[0075] This allows for easy switching of the state of filter element 16.

[0076] Specifically, in this embodiment, the filter element 16 has a first state and a second state. The first state and the second state are switched by the rotational movement of the filter element 16 relative to the air intake 22. That is, the filter element 16 can switch between the first state and the second state by rotational movement. The filter element 16 covers the outer peripheral surface of the support member 30. The support member 30 is a roller-shaped support member, making the outer peripheral surface of the support member 30 cylindrical. On the one hand, when the filter element 16 is disposed on the support member 30, the filter element 16 can be arranged according to the outer peripheral surface of the roller-shaped support member 30, so that the filter element 16 can be well attached to the support member 30 to form a cylindrical shape or a part of a cylinder. On the other hand, when the filter element 16 rotates relative to the support 30, the filter element 16 can rotate along the cylindrical outer circumferential surface of the roller-shaped support 30. The cylindrical outer circumferential surface of the support 30 can provide good support for the rotating filter element 16, which is conducive to making the filter element 16 taut and move smoothly. To a certain extent, this reduces or avoids the deformation of the first filter section 18 and the second filter section 20 at the air intake 22, which would affect the dust suction.

[0077] The interior of the roller-shaped support 30 is hollow. On one hand, the hollow space of the support 30 can be connected to the air intake 22 through the air passage 32 and the filter 16 opened on the outer circumference of the support 30. On the other hand, the hollow space of the support 30 can be connected to the fan cavity 14. When the fan assembly 24 is working, a negative pressure is established in the fan cavity 14, thereby allowing dust to be drawn in through the hollow space of the support 30, the air passage 32, the filter 16, and the air intake 22.

[0078] In some embodiments, when the movement of the filter element 16 includes rotational movement of the filter element 16 relative to the air inlet 22, the filter element 16 is arranged in a roller shape.

[0079] Therefore, the drum-shaped filter element 16 is adapted to the rotational motion, making it easier for the filter element 16 to move.

[0080] Specifically, the filter element 16 can be configured as a roller with a certain supporting strength. The roller-shaped filter element 16 is rotatably mounted on the robotic vacuum cleaner 200. The first filter section 18 and the second filter section 20 can be different parts of the filter element 16 along the circumferential direction. Optionally, a rotating shaft can be connected to one end of the filter element 16, and a drive shaft can be connected to the other end. The drive shaft can be driven to rotate by a motor or manually by the user, thereby driving the filter element 16 to rotate to switch between the first state and the second state.

[0081] The drum-shaped filter element 16 is hollow inside. One end of the connector can extend into the hollow space of the filter element 16 and is connected to the air intake 22 through the filter element 16. The other end of the connector is connected to the fan chamber 14. The connector is also hollow inside. When the fan assembly 24 is working, a negative pressure is established in the fan chamber 14, thereby allowing dust to be drawn in through the hollow space of the connector, the filter element 16, and the air intake 22.

[0082] In some implementations, the movement of the filter element 16 can be manually driven by the user.

[0083] Therefore, the user can switch the first state and the second state of filter 16 as needed.

[0084] Specifically, when the fan assembly 24 is operating, it can create negative pressure within the fan chamber 14, thereby drawing dust through the filter element 16 and the air intake 22. In one embodiment, when a large amount of dust accumulates on the first filter section 18 or the second filter section 20, the suction power decreases, the operating noise of the fan assembly 24 increases, and the suction power also decreases, resulting in a reduced cleaning effect. The user will be alerted by the increased noise and reduced cleaning effect, and the user can manually drive the filter element 16 to switch between the first and second states.

[0085] In one embodiment, the first and second states of the filter element 16 can be automatically switched according to a system-built-in switching cycle. In another embodiment, the first and second states of the filter element 16 can also be automatically switched according to a user-defined switching cycle. The switching cycle can be set as needed, for example, monthly, bi-monthly, or tri-monthly.

[0086] Optionally, in one embodiment, the filter element 16 can rotate relative to the air intake 22 to switch between a first state and a second state. Specifically, the filter element 16 may be connected to an operating member, and the filter element 16 and the operating member can rotate synchronously or asynchronously. When it is necessary to switch the state of the filter element 16, the user can hold the operating member and rotate it, thereby driving the filter element 16 to rotate and switch between the first state and the second state. The operating member can be used as a drive shaft, or the operating member can be connected to a drive shaft, and the drive shaft is connected to the filter element 16.

[0087] Optionally, in one embodiment, the filter element 16 can be translated relative to the air intake 22 to switch between a first state and a second state. Specifically, the filter element 16 may be connected to an operating element, and the filter element 16 and the operating element can translate synchronously or asynchronously. When it is necessary to switch the state of the filter element 16, the user can hold the operating element and make a translational movement (e.g., push or pull), thereby driving the filter element 16 to translate and switch between the first state and the second state.

[0088] In some implementations, please refer to Figure 1 The filter assembly 100 also includes a drive mechanism 34, which is connected to the filter element 16 in a transmission manner. The drive mechanism 34 is used to drive the filter element 16 to switch between a first state and a second state.

[0089] Therefore, the filter element 16 can be switched between the first state and the second state by the drive mechanism 34, thereby improving the user experience.

[0090] Specifically, the drive mechanism 34 can automatically drive the filter element 16 to switch between a first state and a second state. Optionally, in one embodiment, the drive mechanism 34 may include an electric drive element and a transmission mechanism. The electric drive element drives the filter element 16 to move relative to the air intake 22 via the transmission mechanism to switch between the first state and the second state. The electric drive element includes, but is not limited to, a motor, a cylinder, a hydraulic cylinder, etc. The transmission mechanism can be selected from any of the following: a mechanical transmission mechanism, a hydraulic transmission mechanism, a magnetic transmission mechanism, a fluid transmission mechanism, or an electromagnetic transmission mechanism.

[0091] Mechanical transmission mechanisms can transmit power through methods including, but not limited to, friction, meshing, connecting rods, ratchet wheels, crank-slider mechanisms, and eccentric wheels. They typically consist of fewer parts, have a simple structure, and are relatively easy to manufacture and maintain. Under good lubrication and sealing conditions, mechanical transmission mechanisms achieve high transmission efficiency. They are suitable for various speed and torque transmission requirements, meeting the application needs of robotic vacuum cleaners.

[0092] Hydraulic transmission mechanisms can use liquid as a working medium to transmit power. Specifically, a hydraulic transmission mechanism uses liquid as a working medium. A hydraulic pump can convert the power of the electric drive component into the pressure energy of the liquid. Then, through pipelines, hydraulic control and adjustment devices, and with the help of an actuator (such as a hydraulic cylinder or hydraulic motor), the pressure energy of the liquid is converted back into mechanical energy and output to the filter element 16, thereby driving the filter element 16 to move.

[0093] Magnetic transmission mechanisms utilize the principle of magnetic field interaction to achieve contactless power transmission. Specifically, magnetic transmission mechanisms use the principle of magnetic field interaction between magnets to transmit torque through the coupled field formed by magnetic lines of force. When the driving magnet (or driving magnet) moves, the magnetic field it generates acts on the driven magnet (or driven element), causing the driven magnet to move accordingly, thereby achieving power transmission. Because magnetic transmission is contactless, it avoids the friction and wear problems of traditional mechanical transmissions.

[0094] Hydraulic transmission mechanisms can be transmission methods based on fluid mechanics principles, utilizing a liquid medium to transmit power and torque. Specifically, a hydraulic transmission mechanism is a device that uses liquid as the working medium and achieves energy transfer through the kinetic energy of the liquid. When the electric drive unit drives the input shaft of the hydraulic transmission device, the liquid in the working chamber interacts with the impellers mounted on the input shaft, output shaft, and housing, transforming the power input by the electric drive unit, which is then output through the output shaft, thereby driving the filter element 16 to move.

[0095] An electromagnetic transmission mechanism is a mechanism that converts electromagnetic energy into mechanical energy through electromagnetic force. Specifically, an electromagnetic transmission mechanism typically includes an electromagnet, and its working principle is based on the interaction of electromagnetic induction and magnetic fields. When an energized coil generates a magnetic field, this magnetic field attracts or repels ferromagnetic materials (such as an iron core or armature), thereby achieving mechanical motion. The current in the energized coil can be determined according to the power output by the electric drive component, thus converting the power of the electric drive component into the magnitude of the current. The energized coil can then convert the magnitude of the current into the magnitude of the magnetic field, thereby causing the ferromagnetic material to move accordingly, and driving the filter element 16 to move.

[0096] The transmission ratio of the transmission mechanism can be specifically limited according to actual needs, and this application does not impose any limitation.

[0097] In some implementations, please refer to Figure 1 The drive mechanism 34 can operate in response to a preset trigger signal to drive the filter 16 to switch between a first state and a second state.

[0098] Therefore, the filter element 16 can be automatically driven to switch between the first state and the second state by triggering the drive mechanism 34 through the trigger signal.

[0099] Specifically, the trigger signal that triggers the drive mechanism 34 can be pre-calibrated and stored. When the drive mechanism 34 receives the preset trigger signal, it can act in response to the trigger signal to drive the filter element 16 to switch between a first state and a second state. In one embodiment, the current state of the filter element 16 is the first state, and the first filter section 18 is configured to face the dust collection chamber 12 to prevent dust from entering the fan chamber 14 from the dust collection chamber 12 during dust collection. The drive mechanism 34 can act in response to the preset trigger signal to drive the filter element 16 to switch from the first state to the second state.

[0100] In one embodiment, the current state of the filter element 16 is the second state, and the second filter section 20 is configured to face the dust collection chamber 12 to prevent dust from entering the fan chamber 14 during vacuuming. The drive mechanism 34 can be activated in response to a preset trigger signal to drive the filter element 16 to switch from the second state to the first state.

[0101] In some embodiments, the filter assembly 100 further includes a detection sensor for detecting the accumulation of dust on the filter element 16. The detection sensor is electrically connected to the drive mechanism 34 to transmit the detection signal of the detection sensor to the drive mechanism 34. A preset trigger signal includes the detection signal of the detection sensor.

[0102] Therefore, the drive mechanism 34 can be triggered by the detection signal of the detection sensor to drive the filter element 16 to switch between the first state and the second state.

[0103] Specifically, a detection sensor can be installed in the robotic vacuum cleaner 200 to detect the accumulation of dust on the filter 16. During the process of setting the detection signal to trigger the drive mechanism 34, when the dust accumulation reaches a predetermined level, the detection signal output by the sensor can be used as a preset trigger signal and stored for reference. During the actual operation of the robotic vacuum cleaner 200, when the real-time detection signal output by the sensor is the preset trigger signal, the drive mechanism 34 can respond to the preset trigger signal and act to drive the filter 16 to switch between a first state and a second state. Furthermore, when the real-time detection signal output by the sensor is not the preset trigger signal, the drive mechanism 34 does not act, and the filter 16 maintains its current state.

[0104] In some implementations, the detection sensor can continuously detect.

[0105] In some implementations, the detection sensor can periodically detect...

[0106] In some implementations, the detection sensor includes any of the following types: resistance sensor, photoelectric sensor, image sensor, differential pressure sensor, or electrostatic sensor.

[0107] Therefore, the selection of detection sensors is flexible and the application range is wide.

[0108] For example, a resistance sensor is specifically selected as the detection sensor. A resistance sensor can convert non-electrical quantities (such as temperature, pressure, displacement, deformation, light, etc.) into changes in resistance value, thereby realizing the measurement and control of these physical quantities. The working principle of the resistance sensor is based on the law of resistance change. When the resistance sensor is subjected to external force or the measured physical quantity changes, its resistance value will change accordingly. This change can be measured by the circuit connected to both ends of the resistance sensor and converted into the value of the measured physical quantity. The resistance value of the resistance sensor can be used as a detection signal, and a mapping relationship between the resistance value of the resistance sensor and the dust accumulation can be established in advance. In the actual use of the filter assembly 100, when the real-time resistance value of the resistance sensor is the same as the resistance value corresponding to the set dust accumulation condition, the drive mechanism 34 can be triggered to drive the filter element 16 to switch between the first state and the second state.

[0109] For example, a photoelectric sensor is specifically selected as the detection sensor. A photoelectric sensor is a sensor that converts light signals into electrical signals for measurement based on the photoelectric effect. Specifically, the working principle of a photoelectric sensor is mainly based on the photoelectric effect, that is, when light shines on a photoelectric element (such as a photodiode, phototransistor, photovoltaic cell, etc.), the electrons inside the photoelectric element absorb the energy of the photons, thereby causing a change in electrical properties (such as generating current or voltage).

[0110] Different levels of dust accumulation affect light differently, allowing a photoelectric sensor to detect the dust accumulation on the filter 16. Specifically, in one embodiment, when there is a lot of dust on the filter 16, less light can penetrate it; conversely, when there is less dust on the filter 16, more light can penetrate it. The photoelectric sensor can be a through-beam type, comprising a light emitter and a light receiver. The portion of the filter 16 to be detected can be located between the light emitter and the light receiver, thereby determining the dust accumulation level by receiving the light intensity signal of the transmitted light emitted by the light emitter through the light receiver. When the current light intensity signal matches a preset light intensity signal corresponding to the trigger signal that activates the drive mechanism 34, the drive mechanism 34 responds to the trigger signal and drives the filter 16 to move, switching between a first state and a second state.

[0111] In one embodiment, when there is a lot of dust on the filter element 16, more light can be reflected by the filter element 16; when there is less dust on the filter element 16, less light can be reflected by the filter element 16. The photoelectric sensor can be a reflective photoelectric sensor, which includes a light emitter and a light receiver. The light emitter and the light receiver can be located on the same side of the filter element 16, so that the dust accumulation can be determined by receiving the light intensity signal of the reflected light through the light receiver. When the current light intensity signal is the same as the preset light intensity signal corresponding to the trigger signal that triggers the drive mechanism 34 to operate, the drive mechanism 34 responds to the trigger signal and drives the filter element 16 to move, so as to switch between a first state and a second state.

[0112] For example, the detection sensor is specifically selected as an image sensor, which may include CCD or CMOS. The image sensor can acquire images of the filter 16, and by analyzing the images of the filter 16, the dust accumulation status of the filter 16 can be obtained. Specifically, in one embodiment, a trained neural network model or algorithm or an artificial intelligence model can be used to analyze the images of the filter 16 to obtain the dust accumulation status. When the current dust accumulation status is the same as the dust accumulation status corresponding to the trigger signal that triggers the drive mechanism 34, the drive mechanism 34 responds to the trigger signal and drives the filter 16 to move, so as to switch between a first state and a second state.

[0113] For example, a differential pressure sensor is specifically selected as the detection sensor. The working principle of the differential pressure sensor is to determine the degree of blockage by measuring the air pressure difference across the filter element 16. When the filter element 16 is blocked, the airflow resistance increases, resulting in an increase in the differential pressure. When the current differential pressure is the same as the differential pressure corresponding to the trigger signal that triggers the drive mechanism 34, the drive mechanism 34 responds to the trigger signal and drives the filter element 16 to move, thereby switching between a first state and a second state.

[0114] For example, an electrostatic sensor is specifically selected as the detection sensor. The working principle of the electrostatic sensor is to utilize the charged characteristics of dust particles and monitor the dust accumulation of the filter element 16 through changes in charge. When the currently accumulated charge is the same as the charge corresponding to the trigger signal that triggers the drive mechanism 34, the drive mechanism 34 responds to the trigger signal and drives the filter element 16 to move, thereby switching between a first state and a second state.

[0115] In some implementations, please refer to Figure 1 The drive mechanism 34 can operate at a preset frequency to drive the filter element 16 to switch between the first state and the second state.

[0116] This simplifies the structure and control of the robotic vacuum cleaner 200, reducing costs.

[0117] Specifically, the preset frequency can be set and stored in advance. In some examples, the preset frequency can be monthly, bi-monthly, tri-monthly, etc.

[0118] The drive mechanism 34 can operate at a preset frequency, which can reduce the number of related detection mechanisms, thereby simplifying the structure and control of the sweeping robot 200 and reducing costs.

[0119] In some embodiments, the filter assembly 100 also includes a cleaning mechanism (not shown) for cleaning dust on the filter element 16.

[0120] Therefore, the service life of the filter element 16 can be extended to a certain extent, the frequency of movement and replacement of the filter element 16 can be reduced, and the user experience can be improved.

[0121] Specifically, during the use of the robotic vacuum cleaner 200, dust will continuously accumulate on the filter element 16. The cleaning mechanism can clean the dust on the filter element 16, thereby reducing the dust accumulation on the filter element 16 to a certain extent, allowing the filter element 16 to be used repeatedly for a long time in the first and second states, extending the service life of the filter element 16 and improving the user experience.

[0122] Alternatively, in one embodiment, the cleaning mechanism may reuse the drive mechanism 34 to generate a vibration cleaning effect through the reciprocating motion of the drive mechanism 34, thereby removing dust accumulated on the filter element 16.

[0123] Optionally, in one embodiment, the cleaning mechanism may include a blower assembly having an air outlet that can be directly or obliquely facing the filter element 16. When the blower assembly is in operation, air can be blown out from the air outlet, thereby blowing the dust accumulated on the filter element 16 into the dust collection chamber 12, making it convenient for the user to clean up the fallen dust.

[0124] Optionally, in one embodiment, the cleaning mechanism may include a scraper assembly having scrapers that can be disposed on the surface of the filter 16 facing the air intake 22. When the scraper assembly is in operation, it can drive the scrapers to move back and forth on the surface of the filter 16, thereby scraping off the dust accumulated on the filter 16 into the dust collection chamber 12, making it convenient for the user to clean up the fallen dust.

[0125] Optionally, in one embodiment, the cleaning mechanism may include a rinsing assembly having a water outlet that may be directly or obliquely facing the filter element 16. When the rinsing assembly is in operation, cleaning fluid can be sprayed from the water outlet, thereby flushing away the dust accumulated on the filter element 16 into the dust collection chamber 12, making it convenient for the user to clean up the fallen dust.

[0126] In some implementations, please refer to Figure 3 and Figure 5 In the first state, the cleaning mechanism is used to clean the second filter section 20; or please combine Figure 4 and Figure 6 In the second state, the cleaning mechanism is used to clean the first filter section 18.

[0127] This allows for the cleaning of the replaced, unused filter sections.

[0128] Specifically, in one embodiment, in a first state, the first filter section 18 is configured to face the dust collection chamber 12 to prevent dust from entering the fan chamber 14 from the dust collection chamber 12 during vacuuming. At this time, the second filter section 20 may not face the dust collection chamber 12 and is in an idle state. The cleaning mechanism can clean the second filter section 20 in the idle state without affecting the use of the filter element 16.

[0129] In one embodiment, in the second state, the second filter section 20 is configured to face the dust collection chamber 12 to prevent dust from entering the fan chamber 14 during vacuuming. At this time, the first filter section 18 may not face the dust collection chamber 12 and is in an idle state. The cleaning mechanism can clean the first filter section 18 in the idle state without affecting the use of the filter element 16.

[0130] In some implementations, please refer to Figures 3 to 6 The filter element 16 is capable of reciprocating motion to switch back and forth between a first state and a second state.

[0131] This can further extend the service life of the filter element 16 and improve the user experience.

[0132] Specifically, the cleaning mechanism is used to clean the filter element 16. After cleaning, the filter element 16 can be restored to its pre-cleaning state, ensuring dust suction power. The filter element 16 can reciprocate to switch between a first state and a second state, so that the first filter section 18 can be reused repeatedly in the first state, and the second filter section 20 can be reused repeatedly in the second state, thereby further extending the service life of the filter element 16 and improving the user experience.

[0133] This application also provides a dustbin 300. The dustbin 300 includes a filter assembly 100 and an air intake 22 as described in any of the above embodiments. The filter element 16 covers the air intake 22 and is movable relative to the air intake 22. The design of the filter assembly 100 can be found in the descriptions of the foregoing embodiments, and will not be repeated here.

[0134] In the dust box 300 described above, in the first state, the first filter section 18 of the filter assembly 100 performs the filtering function, and in the second state, the second filter section 20 of the filter assembly 100 performs the filtering function. The two states can be switched by the movement of the filter assembly 100, which can save users from the tedious operation of manually disassembling the old filter element 16 to replace the new filter element 16 periodically.

[0135] Specifically, please combine Figure 1 The dust box 300 also includes a box body 26, which has a dust collection chamber 12, an air intake 22, and an air inlet 28. Both the air inlet 28 and the air intake 22 are connected to the dust collection chamber 12. The fan assembly 24 has a fan chamber 14, and a filter element 16 can be installed at the air intake 22 to cover it. The fan chamber 14 is connected to the air intake 22 through the filter element 16. When the fan assembly 24 is working, a negative pressure is formed in the fan chamber 14, which in turn creates a negative pressure in the dust collection chamber 12 through the air intake 22. This negative pressure draws dust from the air inlet 28 into the dust collection chamber 12. The drawn-in dust moves towards the air intake 22 and adheres to the filter element 16, thus preventing dust from entering the fan chamber 14 and causing malfunctions in the fan assembly 24.

[0136] In the first state, the first filter section 18 is configured to face the dust collection chamber 12 to prevent dust from entering the fan chamber 14 during suction, allowing dust to accumulate on the first filter section 18. In the second state, the second filter section 20 is configured to face the dust collection chamber 12 to prevent dust from entering the fan chamber 14 during suction, allowing dust to accumulate on the second filter section 20. The first and second states are switched by the movement of the filter element 16 relative to the air intake 22.

[0137] This application also provides a robotic vacuum cleaner 200. The robotic vacuum cleaner 200 includes the dustbin 300 described in the foregoing embodiments. The design of the dustbin 300 can be found in the descriptions of the foregoing embodiments, and will not be repeated here.

[0138] In the aforementioned robotic vacuum cleaner 200, in the first state, the first filter section 18 of the filter component 100 performs the filtering function, and in the second state, the second filter section 20 of the filter component 100 performs the filtering function. The two states can be switched by the movement of the filter component 100, thus eliminating the tedious operation of users periodically disassembling the old filter element 16 to replace the new filter element 16.

[0139] Specifically, in one embodiment, the robotic vacuum cleaner 200 may include a housing, a dustbin 300, and a fan assembly 24. The dustbin 300 and the fan assembly 24 may be disposed within the housing. The dustbin 300 may include a box body 26 and a filter assembly 100.

[0140] For example, the robotic vacuum cleaner 200 includes a specific functional component (such as a control circuit board) that generates heat during operation. This heat can be guided to the dustbin 300 via a guide (either an additional feature or a reused part of the existing robotic vacuum cleaner structure) to dry components (such as the filter assembly 100) within the dustbin 300. Furthermore, a cooling fan can be provided to blow air from the specific functional component to generate hot air, which is then guided to the dustbin 300 via the guide.

[0141] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "certain embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with an embodiment or example is included in at least one embodiment or example of this application. 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.

[0142] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A filter assembly, characterized in that, The filter assembly is used in a robotic vacuum cleaner, which has a dust collection chamber and a fan chamber. The filter assembly includes: A filter element, the filter element comprising a first filter section and a second filter section, wherein the first filter section is different from the second filter section; When the filter element is installed at the air intake of the dustbin of the robotic vacuum cleaner, the filter element has the following two states: In the first state, the first filter section is configured to face the dust collection chamber to prevent dust from entering the fan chamber from the dust collection chamber during vacuuming; In the second state, the second filter section is configured to face the dust collection chamber to prevent dust from entering the fan chamber from the dust collection chamber during vacuuming; Furthermore, the first state and the second state are switched by the movement of the filter relative to the air intake.

2. The filter assembly according to claim 1, characterized in that, In the first state, the second filter section is configured not to face the dust collection chamber; In the second state, the first filter section is configured not to face the dust collection chamber.

3. The filter assembly according to claim 1, characterized in that, When the filter element is installed at the air intake, the movement of the filter element includes rotational or translational movement of the filter element relative to the air intake.

4. The filter assembly according to claim 3, characterized in that, The filter assembly includes a support member, and the filter member covers the outer peripheral surface of the support member.

5. The filter assembly according to claim 4, characterized in that, The filter element can move relative to the support to switch between the first state and the second state, or the filter element and the support can move synchronously to switch between the first state and the second state.

6. The filter assembly according to claim 5, characterized in that, When the movement of the filter element relative to the air intake includes the rotational movement of the filter element relative to the air intake, the support element is a roller-shaped support element.

7. The filter assembly according to claim 3, characterized in that, When the movement of the filter element includes the rotational movement of the filter element relative to the air inlet, the filter element is arranged in a roller shape.

8. The filter assembly according to claim 1, characterized in that, The movement of the filter element can be manually driven by the user.

9. The filter assembly according to claim 1, characterized in that, The filter assembly further includes a drive mechanism, which is connected to the filter element in a transmission manner. The drive mechanism is used to drive the filter element to switch between the first state and the second state.

10. The filter assembly according to claim 9, characterized in that, The drive mechanism can operate in response to a preset trigger signal to drive the filter to switch between the first state and the second state.

11. The filter assembly according to claim 10, characterized in that, The filter assembly also includes a detection sensor for detecting the accumulation of dust on the filter element. The detection sensor is electrically connected to the drive mechanism to transmit the detection signal of the detection sensor to the drive mechanism. The preset trigger signal includes the detection signal of the detection sensor.

12. The filter assembly according to claim 11, characterized in that, The detection sensor includes any of the following types: resistance sensor, photoelectric sensor, image sensor, differential pressure sensor, or electrostatic sensor.

13. The filter assembly according to claim 9, characterized in that, The drive mechanism can operate at a preset frequency to drive the filter to switch between the first state and the second state.

14. The filter assembly according to claim 1, characterized in that, The filter assembly also includes a cleaning mechanism for cleaning dust from the filter element.

15. The filter assembly according to claim 14, characterized in that, In the first state, the cleaning mechanism is used to clean the second filter section; or In the second state, the cleaning mechanism is used to clean the first filter section.

16. The filter assembly according to claim 14, characterized in that, The filter element is capable of reciprocating motion to switch back and forth between the first state and the second state.

17. A dustbin, characterized in that, Includes a filter assembly and an air intake as described in any one of claims 1-16, wherein the filter covers the air intake and is movable relative to the air intake.

18. A robotic vacuum cleaner, characterized in that, Includes the dust box as described in claim 17.

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