Automatic cleaning machine

Abstract

The automatic cleaning device includes a mobile platform (1000) and a cleaning module (5000) assembled to the mobile platform (1000). The cleaning module (5000) is installed along a first direction perpendicular to the axis of the mobile platform (1000) and includes a first roller brush (100) including a first long brush element (121), and a second roller brush (200) arranged in parallel with the first roller brush (100) and including a second long brush element (221). The first long brush element (1210) and the second long brush element (221) are arranged so as to interfere with each other and at least partially block the intake passage (50) between the first roller brush (100) and the second roller brush (200).

Description

[Technical Field]

[0001] (CROSS-REFERENCE TO RELATED APPLICATIONS) This disclosure claims priority to Chinese Patent Application No. 202223604354.6, filed on December 30, 2022, the disclosure of which is hereby incorporated by reference in its entirety as part of this disclosure.

[0002] FIELD OF THE DISCLOSURE The present disclosure relates to the field of cleaning appliances, and more particularly to automatic cleaning appliances. [Background technology]

[0003] With the continuous development of science and technology, automatic cleaning devices such as robot vacuum cleaners and wet / dry vacuum cleaners are widely adopted in homes. To achieve the cleaning function, cleaning robots are equipped with a pair of roller brushes to lift up dust particles of different sizes on the cleaning surface, and the dust particles can be sucked and sent to a dust collection box through an intake passage.

[0004] However, conventional automatic cleaning devices are unable to consistently and effectively send debris into the dustbin, and there is a need to further improve the efficiency of debris removal. Summary of the Invention

[0005] Some embodiments of the present disclosure provide an automatic cleaning device, the automatic cleaning device comprising: a moving platform arranged to move automatically on the operating surface; a cleaning module assembled to the moving platform and arranged to clean the operating surface, the cleaning module comprising: a first roller brush disposed along a first direction perpendicular to an axis of the moving platform and including a first long brush element; a second roller brush arranged in parallel with the first roller brush and including a second long brush component; The first long brush component and the second long brush component are arranged to interfere with each other and at least partially block the intake passage between the first roller brush and the second roller brush, in order to improve the dust removal effect of the cleaning module.

[0006] Some embodiments of the present disclosure provide an automatic cleaning device, which includes: a moving platform arranged to move automatically on the operating surface; a cleaning module assembled to the moving platform and arranged to clean the operating surface, the cleaning module comprising: a first roller brush disposed along a first direction perpendicular to an axis of the moving platform, the first roller brush including a first long brush element and a first short brush element; a second roller brush arranged in parallel with the first roller brush and including a second long brush component and a second short brush component; The first long brush component and the second long brush component are arranged so as to interfere with each other and at least partially block the intake passage between the first roller brush and the second roller brush, and the first short brush component and the second short brush component do not interfere with each other.

[0007] The drawings herein are incorporated into the specification and constitute a part of this specification, illustrate embodiments of the present disclosure, and are used in conjunction with the specification to explain the principles of the present disclosure. Of course, the drawings described below are merely some embodiments of the present disclosure, and those skilled in the art can derive other drawings based on these drawings without any creative effort. [Brief explanation of the drawings]

[0008] [Figure 1] 1 is a schematic diagram of a three-dimensional structure of an automatic cleaning device provided in accordance with some embodiments of the present disclosure. [Figure 2] 1 is a schematic bottom view of an automatic cleaning device provided in accordance with some embodiments of the present disclosure. [Figure 3]1 is a structural schematic diagram of a combination of two sets of roller brushes according to some embodiments of the present disclosure. FIG. [Figure 4] FIG. 4 is a structural schematic diagram of the first roller brush in FIG. 3. [Figure 5] FIG. 5 is a schematic diagram of a cross-sectional structure of a first roller brush in FIG. 4. DETAILED DESCRIPTION OF THE INVENTION

[0009] In order to make the objectives, technical solutions, and advantages of the present disclosure more clear, the present disclosure will be described in more detail below in conjunction with the drawings. Of course, the described embodiments are only a part of the embodiments of the present disclosure, and are not all of the embodiments. All other embodiments that a person skilled in the art can obtain based on the embodiments of the present disclosure without any creative work are also within the scope of protection of the present disclosure.

[0010] As should be further explained, the terms "comprises," "including," or any other variations thereof, are intended to cover non-exclusive inclusions, whereby a product or device comprising a set of elements not only includes those elements, but also includes other elements not expressly listed or inherent in such product or device. In the absence of further limitations, elements qualified by the phrase "comprises a..." do not exclude the presence of other similar elements in the product or device comprising said elements.

[0011] In the related art, automatic cleaning devices such as robot vacuum cleaners are equipped with a pair of roller brushes to stir up dust of different sizes on the cleaning surface and then suck the dust into a dust collection box through an intake passage. However, conventional automatic cleaning devices are unable to always efficiently send the dust into the dust collection box, and therefore how to effectively improve the dust removal effect of automatic cleaning devices has become a technical problem that must be solved as soon as possible.

[0012] The present disclosure provides an automatic cleaning device including a moving platform configured to automatically move on an operating surface, and a cleaning module assembled to the moving platform and configured to clean the operating surface, the cleaning module including: a first roller brush installed along a first direction perpendicular to an axis of the moving platform and including a first long brush element; and a second roller brush juxtaposed to the first roller brush and including a second long brush element, wherein the first long brush element and the second long brush element are arranged to interfere with each other to at least partially block an intake passage between the first roller brush and the second roller brush, thereby improving the dust removal effect of the cleaning module.

[0013] In the automatic cleaning device provided by the present invention, during operation, the first long brush component and the second long brush component interfere with each other, at least partially blocking the intake passage between the first roller brush and the second roller brush, thereby increasing the flow rate of the air flow through the intake passage to a certain extent and further improving the dust removal effect of the cleaning module.

[0014] Hereinafter, selective embodiments of the present invention will be described in detail with reference to the drawings.

[0015] 1-2 are structural schematic diagrams of an automatic cleaning device shown according to an exemplary embodiment. As shown in FIGS. 1-2, the automatic cleaning device may be a vacuum suction robot, a mop / scrub robot, a window climbing robot, etc., and the automatic cleaning device may include a moving platform 1000, a sensing system 2000, a control system (not shown), a driving system 3000, an energy system (not shown), a human-machine interaction system 4000, and a cleaning module 5000. The mobile platform 1000 may be arranged to automatically move along a target direction on an operating surface. The operating surface may be a surface to be cleaned by an automatic cleaning device. In some embodiments, the automatic cleaning device may be a mop robot, where the automatic cleaning device operates on the ground, and the ground is the operating surface; the automatic cleaning device may be a window cleaning robot, where the automatic cleaning device operates on the exterior surface of architectural glass, and the glass is the operating surface; or the automatic cleaning device may be a pipe cleaning robot, where the automatic cleaning device operates on the interior surface of a pipe, and the interior surface of the pipe is the operating surface. Purely for purposes of demonstration, the following description in this application will use a mop robot as an example.

[0016] In some embodiments, the mobile platform 1000 may be an autonomous mobile platform or a non-autonomous mobile platform. The term "autonomous mobile platform" refers to the mobile platform 1000 itself being capable of automatically and adaptively making operational decisions based on unexpected environmental inputs, while the non-autonomous mobile platform itself is not capable of adaptively making operational decisions based on unexpected environmental inputs, but can execute a predetermined program or operate according to a certain logic. Accordingly, if the mobile platform 1000 is an autonomous mobile platform, the target direction may be determined autonomously by an automatic cleaning device, while if the mobile platform 1000 is a non-autonomous mobile platform, the target direction may be established by a system or artificially.

[0017] The sensing system 2000 includes a positioning device (not shown) located above the mobile platform 1000, a buffer (not shown) located at the front portion of the mobile platform 1000, a cliff sensor (not shown) located at the bottom of the mobile platform, and sensor devices such as ultrasonic sensors (not shown), infrared sensors (not shown), magnetometers (not shown), accelerometers (not shown), gyroscopes (not shown), and odometers (not shown), and provides various position information and operating status information of the machine to the control system.

[0018] For ease of explanation, directions are defined as follows. The automatic cleaning device can be oriented by defining three mutually perpendicular axes: a lateral axis Y, a front-to-rear axis X, and a vertical axis Z. The direction indicated by the arrow along the front-to-rear axis X is labeled as the "rear direction," and the direction opposite to the direction of the arrow along the front-to-rear axis X is labeled as the "forward direction." The lateral axis Y is a direction substantially along the width of the automatic cleaning device. The direction indicated by the arrow along the lateral axis Y is labeled as the "leftward direction," and the direction opposite to the direction of the arrow along the lateral axis Y is labeled as the "rightward direction." The vertical axis Z is a direction extending upward from the bottom surface of the automatic cleaning device. As shown in FIG. 1 , the direction along the front-to-rear axis X is defined as a second direction, which may be, for example, a front or rear direction, and the direction perpendicular to the second direction in the horizontal plane is a first direction, which may be, for example, a left or right direction.

[0019] The control system (not shown) is installed on a circuit board within the mobile platform 1000 and includes a computing processor, such as a central processing unit or an application processor, in communication with a non-transitory memory (e.g., a hard disk, a flash memory, a random access memory), wherein the application processor is configured to receive environmental information sensed by the plurality of sensors transmitted from the sensing system, use a position estimation algorithm such as SLAM based on obstacle information fed back from the positioning device, create a real-time map of the environment in which the automatic cleaning equipment is located, autonomously determine a travel path based on the environmental information and the environmental map, and then control the drive system 3000 to perform operations such as moving forward, backward, and / or steering based on the autonomously determined travel path. Furthermore, the control system can also determine whether to activate the cleaning module 5000 to perform a cleaning operation based on the environmental information and the environmental map.

[0020] The drive system 3000 can execute drive commands to operate the automatic cleaning equipment to travel across the ground based on specific distance and angle information, such as x, y, and θ components. The drive system 3000 includes drive wheel assemblies, and can simultaneously control the left and right wheels. For more precise control of the machine's operation, the drive system 3000 preferably includes a left drive wheel assembly and a right drive wheel assembly, respectively. The left and right drive wheel assemblies are installed symmetrically along the horizontal axis defined by the mobile platform 1000. To enable the automatic cleaning equipment to operate more stably on the ground or have stronger operating capabilities, the automatic cleaning equipment may include one or more steering assemblies. The steering assemblies may be driven wheels or drive wheels, and their structural form may include, but is not limited to, swivel wheels, and the steering assemblies may be located in front of the drive wheel assemblies.

[0021] The energy system (not shown) includes a rechargeable battery such as a nickel-metal hydride battery or a lithium battery. A charging control circuit, a battery pack charging temperature detection circuit, and a battery low voltage monitoring circuit may be connected to the rechargeable battery, and the charging control circuit, battery pack charging temperature detection circuit, and battery low voltage monitoring circuit are further connected to a single-chip microcomputer control circuit. The main body is connected to a charging stand via charging electrodes installed on the side or bottom of the aircraft for charging.

[0022] The human-machine interaction system 4000 includes buttons on the main body panel for the user to select functions, and may further include a display screen and / or indicator lights and / or a speaker for displaying the current machine status or function selection items to the user. The human-machine interaction system 4000 may further include a mobile phone client program. For a route navigation type cleaning device, the mobile phone client can display a map of the environment in which the machine is located and the location of the device to the user, thereby providing the user with richer and more user-friendly functions.

[0023] As shown in FIG. 2 , the cleaning module 5000 includes a dust box, a fan, and a main brush module. The main brush module sweeps dust from the ground toward the dust box through a dust outlet between the main brush module and the dust box. The dust is then sucked into the dust box by suction generated by the fan and passing through the dust box. The dust removal capacity of a vacuum cleaner can be characterized by its dust pickup efficiency (DPU). DPU is affected by the wind power utilization rate of the airflow path consisting of the dust outlet, dust box, fan, air outlet, and the connecting components between them, as well as the type and output of the fan, making it a complex system design issue. Compared to typical plug-in vacuum cleaners, improved dust removal capacity is particularly significant for energy-limited automatic cleaning devices. Because improved dust removal capacity directly and effectively reduces energy requirements, a machine that can clean 80 square meters of ground on a single charge can now clean 180 square meters or more on a single charge. Furthermore, by reducing the number of charging times, the service life of the battery is also significantly increased, and the user will have to replace the battery less frequently.More intuitively and importantly, the improvement of dust removal ability is the most noticeable and important user experience, and the user can directly reach a conclusion on whether the cleaning / wiping is clean or not.

[0024] 2 is a schematic diagram of the bottom structure of the automatic cleaning device in FIG. 1. As shown in FIG. 2, the automatic cleaning device includes a moving platform 1000, which is arranged to move freely on an operating surface. A cleaning module 5000 is installed at the bottom of the moving platform 1000, which is arranged to clean the operating surface. The cleaning module 5000 includes a driving unit 5100, a roller brush frame 5200, and a roller brush 5300 assembled in the roller brush frame 5200. The driving unit 5100 provides a forward or reverse driving force, which is applied to the roller brush 5300 via a multi-stage gear set. The roller brush 5300 rotates under the driving force to clean the operating surface, or the roller brush 5300 rotates under the driving force to collect dust.

[0025] 2, the roller brush frame 5200 is provided with a front cleaning brush mounting position 5211 and a rear cleaning brush mounting position 5212 for accommodating the cleaning roller brushes. The front cleaning brush mounting position 5211 has a first end 52111 and a second end 52112 opposite to the first end 52111, and one end of the first roller brush 100 is engaged and fixed with the first end 52111, and the other end of the first roller brush is engaged and fixed with the second end 52112. In some embodiments, the front cleaning brush mounting position 5211 is an elongated groove structure in the moving platform, and the elongated groove structure extends along the first direction. The rear cleaning brush mounting position 5212 has a third end 52121 and a fourth end 52122 opposite the third end 52121. In some embodiments, the rear cleaning brush mounting position 5212 and the front cleaning brush mounting position 5211 have substantially the same structure, such as an elongated groove structure on a moving platform, which extends along the first direction, and the second roller brush can be mounted in the elongated groove of the rear cleaning brush mounting position 5212 through an opening of the elongated groove structure. Here, the two elongated groove structures are parallel to each other in the second direction. The shape and size of the elongated groove structure are not limited, as long as it can accommodate at least a portion of the first roller brush and the second roller brush. The first end of the front cleaning brush mounting position 5211 and the third end of the rear cleaning brush mounting position 5212 are located on one side of the front-rear axis X-axis, and the second end of the front cleaning brush mounting position 5211 and the fourth end of the rear cleaning brush mounting position 5212 are located on the other side of the front-rear axis X-axis.

[0026] For illustrative purposes, in each of the following embodiments of the present disclosure, an elongated groove structure close to the steering wheel of an automatic cleaning device is used as the front cleaning brush mounting position 5211, and an elongated groove structure away from the steering wheel is used as the rear cleaning brush mounting position 5212, but of course this may be reversed.

[0027] 2, in some embodiments, the automatic cleaning device includes two cleaning roller brushes 5300, one cleaning roller brush installed at the front cleaning brush mounting position 5211 and considered to be the "front roller brush," and the other cleaning roller brush installed at the rear cleaning brush mounting position 5212 and considered to be the "rear roller brush." ​​The front roller brush can be mounted in the front cleaning brush mounting position 5211 through an opening in an elongated groove structure, and the rear roller brush can be mounted in the rear cleaning brush mounting position 5212 through an opening in an elongated groove structure.

[0028] FIG. 3 shows the structure and positional relationship of a first roller brush and a second roller brush provided by some embodiments of the present disclosure. Referring to FIGS. 1 to 3 , the cleaning module 5000 further includes a first roller brush 100 and a second roller brush 200, where the first roller brush 100 is the front brush of the cleaning module 5000 and the second roller brush 200 is the rear brush of the cleaning module 5000. The moving platform 10 is provided with a roller brush receiving space, such as a long receiving groove located at the bottom of the moving platform 10, for receiving the first roller brush 100 and the second roller brush 200. In some embodiments, the moving platform 10 is further provided with roller brush mounting positions, and one ends of the first roller brush 100 and the second roller brush 200 can be engaged and fixed in the roller brush mounting positions, thereby realizing detachable mounting of the first roller brush 100 and the second roller brush 200 on the moving platform 10.

[0029] The first roller brush 100 is installed along a first direction perpendicular to the axis of the moving platform 10, for example, along the direction of the lateral axis Y, and the second roller brush 200 is also installed along a first direction perpendicular to the axis of the moving platform 10, for example, along the direction of the lateral axis Y, i.e., the second roller brush 200 is arranged side by side with the first roller brush 100.

[0030] As shown in the figure, the first roller brush 100 is arranged in parallel with the second roller brush 200, and both the first roller brush 100 and the second roller brush 200 are equipped with brush parts, where the first roller brush 100 includes a first long brush part 121 and a first short brush part 122, and the second roller brush 200 includes a second long brush part 221 and a second short brush part 222.

[0031] 4 and 5, Fig. 4 is a structural schematic diagram of the first roller brush 100, and Fig. 5 is a cross-sectional structural schematic diagram of the first roller brush 100 in Fig. 4. It should be noted that Fig. 4 only uses the first roller brush 100 as an example to describe the structure of the roller brush, and in some embodiments, the structure of the second roller brush 200 may be basically the same as that of the first roller brush 100, and the two are installed symmetrically. Therefore, when referring to the second roller brush 200, reference can also be made to the structure of the first roller brush 100 shown in the figures.

[0032] As shown in the figures, in some embodiments, the first roller brush 100 includes a first shaft 110 and a first brush member 120, wherein the first brush member 120 is mounted on the first shaft 110.

[0033] The first shaft 110 may be a rod-like structure, such as an elongated cylindrical structure, and both ends of the rod-like structure may be removably attached to the bottom of the moving platform of the cleaning device directly or via connecting members. In some embodiments, the first shaft 110, together with the first brush member 120 mounted on the first shaft 110, is removably attached to an elongated roller brush receiving groove in the bottom of the moving platform.

[0034] The axis of the first shaft 110 can be regarded as the rotation axis of the first roller brush 100. After the first roller brush 100 is mounted on a moving platform, a driving system located on the moving platform can drive the rotation of the first shaft 110, and the direction of rotation can be clockwise or counterclockwise. When the first shaft 110 rotates, it can drive other assemblies mounted on the first shaft 110, such as the first brush member 120, to rotate together, thereby achieving the purpose of cleaning.

[0035] The first brush member 120 is mounted on the first shaft 110, and specifically, in some embodiments, the first brush member 120 is removably mounted on the first shaft 110, facilitating routine cleaning and maintenance of the first brush member 120.

[0036] The first brush member 120 includes a first tubular member 123 and a first long brush element 121, and in some embodiments, the first brush member 120 may further include a first short brush element 122.

[0037] The first tubular member 123 is fitted onto the first shaft 110 and arranged so as to be coaxial with the first shaft 110. The first tubular member 123 may be a long cylindrical structure, and the length of the first tubular member 123 is essentially the same as the length of the first shaft 110. The first tubular member 123 is tightly fitted onto the first shaft 110, and the inner diameter of the first tubular member 123 is essentially equal to or slightly smaller than the outer diameter of the first shaft 110, so that no relative movement occurs between the first shaft 110 and the first tubular member 123 during rotation. The first tubular member 123 may be a flexible member or a rigid member.

[0038] The first short brush component 122 extends from the outer surface of the first cylindrical member 123 in a direction away from the first cylindrical member 123. The first long brush component 121 extends from the outer surface of the first cylindrical member 123 in a direction away from the first cylindrical member 123. In some embodiments, the extension length of the first long brush component 121 away from the first cylindrical member 123 is greater than the extension length of the first short brush component 122 away from the first cylindrical member 123, and the thickness of the brush body of the first long brush component 121 is less than the thickness of the brush body of the first short brush component 122. That is, relatively speaking, the first short brush component 122 is short and thick, and the first long brush component 121 is long and thin.

[0039] By differentiating the lengths and thicknesses of the brush parts, the first short brush part 122 can provide a strong cleaning force when processing larger debris (e.g., fruit shells, particulate matter), and the contact force between the first long brush part 121 and the cleaning surface is relatively small, reducing daily cleaning noise. By differentiating the lengths and thicknesses of the brush elements, when cleaning a flat and hard surface such as tile or hard floor, the first short brush element 122 does not need to come into contact with the surface, and the first long brush element 121 can come into contact with the surface to knock and lift up dust, hair, and other debris that needs to be cleaned, and then suck it into the dust box. When cleaning a surface with a certain thickness such as a carpet, both the first short brush element 122 and the first long brush element 121 can come into contact with the surface of the carpet, and in this case, the thicker first short brush element 122 plays a more important role by knocking and removing dust and hair hidden in the carpet, thereby improving the cleaning effect.

[0040] As can be appreciated, the second roller brush correspondingly includes a second shaft and a second brush member, wherein the second brush member is removably attached to the second shaft, and the second brush member may include a second tubular member, a second long brush element, and a second short brush element.

[0041] As can be understood, the number of the first long brush parts 121 may be one or more, or the number of the first long brush parts 121 may be multiple, and the multiple first long brush parts 121 may be uniformly distributed in the circumferential direction of the first cylindrical member 123. The number of the first short brush parts 122 may be one or more, or the number of the first short brush parts 122 may be multiple, and the multiple first short brush parts 122 may be uniformly distributed in the circumferential direction of the first cylindrical member 123.

[0042] In some embodiments, the first short brush components 122 and the first long brush components 121 are alternately and uniformly arranged in the circumferential direction of the first cylindrical member 123. For example, the brush component 120 of the first roller brush 100 includes five first short brush components 122 and five first long brush components 121, and the five first short brush components 122 and the five first long brush components 121 are alternately and uniformly arranged in the circumferential direction of the first cylindrical member 123.

[0043] As can be understood, the number of the second long brush components may be one or more, and the plurality of second long brush components may be uniformly distributed in the circumferential direction of the second cylindrical member; the number of the second short brush components may be one or more, and the number of the second short brush components may be plural, and the plurality of second short brush components may be uniformly distributed in the circumferential direction of the second cylindrical member; and the second short brush components and the second long brush components are alternately and uniformly arranged in the circumferential direction of the first cylindrical member.

[0044] 3, an air intake passage 50 is further present between the first roller brush 100 and the second roller brush 200, with one side of the air intake passage 50 facing the cleaning surface and the other side communicating with the air passage inside the moving platform 10. The first long brush component 121 and the second long brush component 221 may interfere with each other, so that the air intake passage 50 between the first roller brush 100 and the second roller brush 200 is at least partially blocked.

[0045] Specifically, when the first roller brush 100 and the second roller brush 200 are operating, the first roller brush 100 and the second roller brush 200 rotate at the same speed but in opposite directions (e.g., the first roller brush 100 rotates in a first direction and the second roller brush 200 rotates in a second direction, the first direction being opposite to the second direction, e.g., counterclockwise and clockwise). During the rotation process, the first long brush component 121 and the second long brush component 221 interfere with each other, causing portions of the surfaces of the first long brush component 121 and the second long brush component 221 to come into contact with each other, thereby at least partially blocking the intake passage 50 between the first roller brush 100 and the second roller brush 200. In some embodiments, the first long brush element 121 and the second long brush element 221 are always in interference fit contact, i.e., the long brush elements of the previous layer have not yet separated, but the long brush elements of the next layer are already in contact.

[0046] As the first roller brush 100 and the second roller brush 200 rotate oppositely, the first long brush element 121 and the second long brush element 221 collect dust in the middle and suck the dust together with the air passage into the dust box inside the moving platform 10, thereby achieving the purpose of cleaning. During the rotation process, the first roller brush 100 and the second roller brush 200 interfere with each other, so that the intake passage 50 between the first roller brush 100 and the second roller brush 200 is at least partially blocked, thereby increasing the flow rate of the air flow through the intake passage 50 to a certain extent and further improving the dust removal effect of the cleaning module.

[0047] In some embodiments, when the first roller brush 100 and the second roller brush 200 are operating, the first roller brush 100 and the second roller brush 200 rotate at the same speed but in opposite directions, and during the rotation process, the first short brush part 122 and the second roller brush 200 do not interfere with each other, i.e., no surface contact occurs between the first short brush part 122 and the second long brush part 221 or 222. Similarly, in some embodiments, the second short brush part 222 and the first roller brush 100 do not interfere with each other, i.e., no surface contact occurs between the second short brush part 222 and the first long brush part 121 or 122. Compared with the long brush component, the short brush component is shorter, thicker, and has a greater contact force, and interference between the short brush component and the roller brush may result in poor shielding of the intake passage 50, and may cause the brush component to become stuck or malfunction during rotation, or even become completely clogged. Therefore, interference between the short brush component and the roller brush should be avoided as much as possible.

[0048] In some embodiments, the number of the first long brush parts 121 and the second long brush parts 221 are both plural, and the first long brush parts 121 correspond one-to-one to the second long brush parts 221, and any one of the first long brush parts 121 is arranged to interfere with the corresponding second long brush part 221, thereby achieving multiple interferences within one rotation period.

[0049] In some embodiments, the distribution positions of the first long brush parts 121 in the circumferential direction of the first cylindrical member 123 correspond one-to-one to the distribution positions of the plurality of second long brush parts 221 in the circumferential direction of the second cylindrical member 223, for example, the plurality of first long brush parts 121 are uniformly distributed in the circumferential direction of the first cylindrical member 123, and the plurality of second long brush parts 221 are uniformly distributed in the circumferential direction of the second cylindrical member 223.

[0050] In some embodiments, when the automatic cleaning device performs cleaning work, at any point in time, at least one pair of corresponding first long brush element 121 and second long brush element 221 interfere with each other, thereby keeping the intake passage 50 always in a partially blocked state, and continuously improving the dust removal effect of the cleaning device.

[0051] In some embodiments, the first long brush component 121 extends on the outer surface of the first cylindrical member 123 from one end of the first cylindrical member 123 to the other end of the first cylindrical member 123. Specifically, the first long brush component 121 may extend in a spiral shape on the outer surface of the first cylindrical member 123 from one end of the first cylindrical member 123 to the other end of the first cylindrical member 123 along the second rotation direction. By installing the first long brush component 121 in a spiral shape on the outer surface of the first cylindrical member 123, more contact points between the first cylindrical member 123 and the cleaning surface can be increased, resulting in more thorough contact between the first cylindrical member 123 and the cleaning surface, making it easier to remove dirt from the cleaning surface and improving cleaning performance.

[0052] As can be understood, correspondingly, the second long brush part 221 can extend spirally on the outer surface of the second tubular member 223 from one end of the second tubular member 223 to the other end of the second tubular member 223 along the first rotation direction.

[0053] In some embodiments, the first long brush component 121 is inclined toward the second rotational direction in the circumferential direction of the first cylindrical member 123. FIG. 5 shows the angle α between the first long brush component 121 and the tangent direction of the first cylindrical member 123, where α is less than 90°. For example, in some embodiments, the value of α ranges from 45° to 85°. By installing the first long brush component 121 so that it is inclined along the first rotational direction in the circumferential direction of the first cylindrical member 123, a certain angle can be established between the first long brush component 121 and the cleaning surface, which can easily remove debris from the cleaning surface during the cleaning process and improve cleaning performance. As can be seen, the second long brush component 221 can be correspondingly installed so that it is inclined toward the first rotational direction in the circumferential direction of the second cylindrical member 223.

[0054] In some embodiments, the first long brush component 121 extends spirally on the outer surface of the first cylindrical member 123 from one end of the first cylindrical member 123 to the middle of the first cylindrical member 123 along the second rotation direction, and then extends spirally to the other end of the first cylindrical member 123 along the first rotation direction.

[0055] As can be seen, correspondingly, the second long brush part 221 extends spirally on the outer surface of the second cylindrical member 223 from one end of the second cylindrical member 223 to the middle of the second cylindrical member 223 along a first rotation direction, and then extends spirally to the other end of the second cylindrical member 223 along a second rotation direction.

[0056] In some embodiments, at least one of the first roller brush 100 and the second roller brush 200 is a hard-core roller brush, e.g., one is a hard-core roller brush and the other is a soft-core roller brush. A hard-core roller brush refers to a roller brush whose inner core is filled with a hard, non-elastic filler, while a soft-core roller brush refers to a roller brush whose inner core is filled with an elastic filler. A hard-core roller brush is less likely to deform over time, which is advantageous for accurate alignment of the roller brushes during interference. Therefore, in this embodiment, at least one roller brush is a hard-core roller brush, which allows the corresponding first and second long brush components to maintain their positional relationship over the long term, preventing deformation of the roller brush's inner core from affecting the positional relationship and improving the stability of the automatic cleaning device.

[0057] In some embodiments, bumps 125 are provided on the surface of at least one of the first long brush component 121 and the first short brush component 122. The number of bumps 125 may be multiple, and the multiple bumps 125 may be arranged along the extension direction of the first long brush component 121 and / or the first short brush component 122. The bumps 125 may be located away from the first cylindrical member 123 and close to the cleaning surface. The provision of bumps 125 increases the contact area and contact force between the brush component and the cleaning surface and dirt, thereby improving the dirt carrying capacity of the brush component and improving the cleaning effect.

[0058] In the automatic cleaning device provided by the present invention, during operation, the first long brush component and the second long brush component interfere with each other, at least partially blocking the intake passage between the first roller brush and the second roller brush, thereby increasing the flow rate of the air flow through the intake passage to a certain extent and further improving the dust removal effect of the cleaning module.

[0059] In some embodiments, at least one of the first roller brush 100 and the second roller brush 200 may have only long brush components and no short brush components. For example, both the first roller brush 100 and the second roller brush 200 have only long brush components and no short brush components.

[0060] Some embodiments of the present disclosure provide an automatic cleaning device, the automatic cleaning device comprising: a moving platform arranged to move automatically on the operating surface; a cleaning module assembled to the moving platform and arranged to clean the operating surface, the cleaning module comprising: a first roller brush disposed along a first direction perpendicular to an axis of the moving platform and including a first long brush element; a second roller brush arranged in parallel with the first roller brush and including a second long brush component; Here, the first long brush component and the second long brush component are arranged to interfere with each other and at least partially block the intake passage between the first roller brush and the second roller brush, in order to improve the dust removal effect of the cleaning module.

[0061] In some alternative embodiments, the first roller brush includes a first short brush piece, and the first short brush piece does not interfere with the second roller brush.

[0062] In some alternative embodiments, the second roller brush includes a second short brush piece, and the second short brush piece does not interfere with the first roller brush.

[0063] In some alternative embodiments, the first roller brush includes a first shaft and a first brush member detachably attached to the first shaft, the first brush member including a first cylindrical member fitted onto the first shaft and arranged coaxially with the first shaft, the first long brush part extending from an outer surface of the first cylindrical member in a direction away from the first cylindrical member, and the first short brush part extending from an outer surface of the first cylindrical member in a direction away from the first cylindrical member. The second roller brush includes a second shaft and a second brush member detachably attached to the second shaft, and the second brush member includes a second cylindrical member fitted onto the second shaft and arranged coaxially with the second shaft, the second long brush member extending from the outer surface of the second cylindrical member in a direction away from the second cylindrical member, and the second short brush member extending from the outer surface of the second cylindrical member in a direction away from the second cylindrical member.

[0064] In some alternative embodiments, the extension length of the first long brush component away from the first tubular member is greater than the extension length of the first short brush component away from the first tubular member and the thickness of the brush body of the first long brush component is less than the thickness of the brush body of the first short brush component; and / or the extension length of the second long brush component away from the second tubular member is greater than the extension length of the second short brush component away from the second tubular member and the thickness of the brush body of the second long brush component is less than the thickness of the brush body of the second short brush component.

[0065] In some alternative embodiments, the first long brush component and the first short brush component are arranged alternately and uniformly around the circumference of the first tubular member, and / or the second long brush component and the second short brush component are arranged alternately and uniformly around the circumference of the second tubular member.

[0066] In some alternative embodiments, the number of the first long brush parts and the second long brush parts are both plural, and the first long brush parts correspond one-to-one to the second long brush parts, and any one of the first long brush parts is arranged to interfere with the corresponding second long brush part.

[0067] In some alternative embodiments, when the automatic cleaning device performs a cleaning task, at some point, at least one pair of corresponding first and second long brush components interfere with each other.

[0068] In some alternative embodiments, the plurality of first long brush components are uniformly distributed around the circumference of the first tubular member, and / or the plurality of second long brush components are uniformly distributed around the circumference of the second tubular member.

[0069] In some alternative embodiments, when the automatic cleaning device performs a cleaning task, the first roller brush rotates along a first rotation direction, and the second roller brush rotates along a second rotation direction, the first rotation direction being opposite to the second rotation direction.

[0070] In some alternative embodiments, the first long brush component extends helically on the outer surface of the first tubular member from one end of the first tubular member to the other end of the first tubular member along a second rotational direction, and the second long brush component extends helically on the outer surface of the second tubular member from one end of the second tubular member to the other end of the second tubular member along a first rotational direction.

[0071] In some alternative embodiments, the first long brush component is inclined in the circumferential direction of the first tubular member toward a second rotational direction, and / or the second long brush component is inclined in the circumferential direction of the second tubular member toward a first rotational direction. In some alternative embodiments, the first long brush component extends spirally on the outer surface of the first tubular member from one end of the first tubular member along the second rotation direction to the middle of the first tubular member, and then extends spirally along the first rotation direction to the other end of the first tubular member, and the second long brush component extends spirally on the outer surface of the second tubular member from one end of the second tubular member along the first rotation direction to the middle of the second tubular member, and then extends spirally along the second rotation direction to the other end of the second tubular member.

[0072] In some alternative embodiments, a bump is provided on an end of at least one of the first long brush component and the first short brush component that faces away from the first cylindrical member, and a bump is provided on an end of at least one of the second long brush component and the second short brush component that faces away from the second cylindrical member.

[0073] In some alternative embodiments, one of the first roller brush and the second roller brush is a hard core roller brush, and the other is a soft core roller brush.

[0074] In some alternative embodiments, at least one of the first roller brush and the second roller brush is a hard core roller brush. Some embodiments of the present disclosure provide an automatic cleaning device, which includes: a moving platform arranged to move automatically on the operating surface; a cleaning module assembled to the moving platform and arranged to clean the operating surface, the cleaning module comprising: a first roller brush disposed along a first direction perpendicular to an axis of the moving platform, the first roller brush including a first long brush element and a first short brush element; a second roller brush arranged in parallel with the first roller brush and including a second long brush component and a second short brush component; Here, the first long brush component and the second long brush component are arranged so as to interfere with each other and at least partially block the intake passage between the first roller brush and the second roller brush, and the first short brush component and the second short brush component do not interfere with each other.

[0075] In some embodiments, the first long brush element and the second long brush element interfere with each other to create a resistance to airflow and increase local pressure.

[0076] For illustrative purposes, each embodiment in this specification will be described in a progressive manner, with the differences between each embodiment being emphasized, and the same or similar parts between each embodiment may be referred to. As for the systems or devices disclosed in the embodiments, they correspond to the methods disclosed in the embodiments, and therefore the explanations are relatively simple, and the relevant parts may be referred to the explanations of the methods.

[0077] The above examples are used only to explain the technical solutions of the present disclosure and are not limiting thereof. The present disclosure has been described in detail with reference to the above examples. However, those skilled in the art may still amend the technical solutions described in the above examples or equivalently replace some of the technical features thereof, but it should be understood that such amendments or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present disclosure.

Claims

1. Automatic cleaning equipment, A mobile platform positioned to move automatically on the operating surface, The mobile platform includes a cleaning module assembled on the mobile platform and positioned to clean the operating surface, The cleaning module is Installed along a direction perpendicular to the axis of the moving platform, the first roller brush includes at least one first long brush component, The present invention includes a second roller brush, which is arranged alongside the first roller brush and includes at least one second long brush component, The first long brush component and the second long brush component are arranged to interfere with each other so as to at least partially obstruct the intake passage between the first roller brush and the second roller brush. Automatic cleaning equipment.

2. The first roller brush includes a first short brush component, and the first short brush component does not interfere with the second roller brush. The automatic cleaning device according to claim 1.

3. The second roller brush includes a second short brush component, and the second short brush component does not interfere with the first roller brush. The automatic cleaning device according to claim 2.

4. The first roller brush is, The first shaft and Includes a first brush member that is detachably attached to the first shaft, The first brush member is, A first cylindrical member is fitted onto the first shaft and arranged to be coaxial with the first shaft, The first long brush component extends from the outer surface of the first cylindrical member in a direction away from the first cylindrical member, The first short brush component extends from the outer surface of the first cylindrical member in a direction away from the first cylindrical member, The second roller brush is, The second shaft, The present invention includes a second brush member that is detachably attached to the second shaft, The second brush member is, A second cylindrical member is fitted onto the second shaft and arranged to be coaxial with the second shaft, The second long brush component extends from the outer surface of the second cylindrical member in a direction away from the second cylindrical member, The second short brush component extends from the outer surface of the second cylindrical member in a direction away from the second cylindrical member, The automatic cleaning device according to claim 3.

5. The extended length of the first long brush component extending away from the first cylindrical member is greater than the extended length of the first short brush component extending away from the first cylindrical member, and the thickness of the brush body of the first long brush component is less than the thickness of the brush body of the first short brush component, and / or The extending length of the second long brush component, which extends away from the second cylindrical member, is greater than the extending length of the second short brush component, which extends away from the second cylindrical member, and the thickness of the brush body of the second long brush component is less than the thickness of the brush body of the second short brush component. The automatic cleaning device according to claim 4.

6. The at least one first long brush component comprises a plurality of first long brush components, the at least one second long brush component comprises a plurality of second long brush components, the plurality of first long brush components are uniformly arranged in the circumferential direction of the first cylindrical member, and / or The plurality of second long brush components are uniformly arranged in the circumferential direction of the second cylindrical member. Or, The first long brush component and the first short brush component are alternately and uniformly arranged in the circumferential direction of the first cylindrical member, and / or The second long brush component and the second short brush component are alternately and uniformly arranged in the circumferential direction of the second cylindrical member. The automatic cleaning device according to claim 4.

7. The at least one first long brush component comprises a plurality of first long brush components, the at least one second long brush component comprises a plurality of second long brush components, and the plurality of first long brush components correspond one-to-one with the plurality of second long brush components, and any one of the plurality of first long brush components is arranged to interfere with the corresponding second long brush component. An automatic cleaning device according to any one of claims 1 to 6.

8. When the automatic cleaning device performs a cleaning operation, at some point, at least one of the plurality of first long brush parts and a second long brush part corresponding to the first long brush part interfere with each other. The automatic cleaning device according to claim 7.

9. When the automatic cleaning device performs a cleaning operation, the first roller brush rotates along a first rotational direction, the second roller brush rotates along a second rotational direction, and the first rotational direction is opposite to the second rotational direction. An automatic cleaning device according to any one of claims 1 to 6.

10. The first long brush component extends spirally from one end of the first cylindrical member to the other end of the first cylindrical member along the second rotational direction on the outer surface of the first cylindrical member, and / or The second long brush component extends spirally from one end of the second cylindrical member to the other end of the second cylindrical member along the first rotational direction on the outer surface of the second cylindrical member. An automatic cleaning device according to any one of claims 4 to 6.

11. When the automatic cleaning device performs a cleaning operation, the first roller brush rotates along a first rotational direction, the second roller brush rotates along a second rotational direction, and the first rotational direction is opposite to the second rotational direction. The first long brush component is inclined toward the second rotational direction in the circumferential direction of the first cylindrical member, and / or The second long brush component is inclined toward the first rotational direction in the circumferential direction of the second cylindrical member. The automatic cleaning device according to claim 4.

12. The first long brush component extends spirally from one end of the first cylindrical member to the middle of the first cylindrical member along the second rotational direction, and then extends spirally to the other end of the first cylindrical member along the first rotational direction, and / or The second long brush component extends spirally from one end of the second cylindrical member to the middle of the second cylindrical member along the first rotational direction, and then spirally to the other end of the second cylindrical member along the second rotational direction, Or, A bump is provided on the end of at least one of the first long brush component and the first short brush component that is separated from the first cylindrical member, and / or A bump is provided at the end of at least one of the second long brush component and the second short brush component that is separated from the second cylindrical member. An automatic cleaning device according to any one of claims 4 to 6.

13. One of the first roller brush and the second roller brush is a hard core roller brush, and the other is a soft core roller brush. Or, At least one of the first roller brush and the second roller brush is a hardcore roller brush. An automatic cleaning device according to any one of claims 1 to 6.

14. Automatic cleaning equipment, A mobile platform positioned to move automatically on the operating surface, The mobile platform includes a cleaning module assembled on the mobile platform and positioned to clean the operating surface, The cleaning module is Installed along a direction perpendicular to the axis of the moving platform, the first roller brush includes a first long brush component and a first short brush component, The first roller brush is arranged in parallel with the second roller brush, and includes a second long brush component and a second short brush component, The first long brush component and the second long brush component are arranged to interfere with each other so as to at least partially obstruct the intake passage between the first roller brush and the second roller brush, while the first short brush component and the second short brush component do not interfere with each other. Automatic cleaning equipment.

15. The first long brush component and the second long brush component interfere with each other to form resistance to the airflow. The automatic cleaning device according to claim 14.

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