CN217907643U - Automatic cleaning device and cleaning system - Google Patents

Abstract

The utility model discloses an automatic cleaning device, which comprises a machine body, a floor brush component, a traveling component and a dust collection component; the floor brush assembly is used for supporting the machine body and the floor sweeping surface and comprises a first rolling brush and a second rolling brush which are arranged in front and back, the first rolling brush and the second rolling brush are controlled by a locking mechanism and can only rotate in a single direction, and the rotating directions of the first rolling brush and the second rolling brush are opposite. The automatic cleaning device cleans the ground in an alternating forward and backward mode, when the first rolling brush rotates in the process of cleaning the ground, the second rolling brush is locked and wipes the ground, and when the second rolling brush rotates, the first rolling brush is locked and wipes the ground; the utility model provides a traditional electronic round brush not enough to the subsurface pressure, it is not good to stubborn stain cleaning performance, retreat easy hourglass sewage scheduling problem, have with low costs, clean effectual, clean efficient, the power consumption is low, possess advantages such as multiple clean mode.

Description

Automatic cleaning device and cleaning system

Technical Field

The utility model relates to a clean technical field especially relates to surface cleaning device with self-cleaning function.

Background

In the prior art, in an automatic cleaning device including a floor sweeping robot and a floor cleaning robot, an electric side brush is usually used to cooperate with an electric rolling brush to perform ground cleaning work, the side brush sweeps garbage into the bottom of a main body of the automatic cleaning device, the electric rolling brush rotates at a high speed, and surface bristles of the electric rolling brush pump the ground to lift the garbage on the ground and suck the garbage into the main body of the automatic cleaning device through a dust suction port.

With the development of technology, a double-roller brush automatic cleaning device also appears, and in the chinese patent application 202010501235.4, a cleaning device is disclosed, which comprises: casing, round brush subassembly, drum subassembly and dirt box, the bottom of casing has first opening and second opening on the advancing direction of casing, first opening is located the bottom front end of casing, the second opening is located the bottom rear end of casing, the round brush subassembly includes round brush and first driver, the round brush is located first opening part, first driver drive the round brush rotates, the brush hair of sweeping the floor has on the round brush, drum subassembly includes cylinder and second driver, the cylinder is located the second opening part, the second driver drive the cylinder rotates, the surface of cylinder is equipped with the cleaning member, the dirt box set up in the casing, just the entry of dirt box with first opening intercommunication is used for collecting the object that the round brush subassembly cleaned.

In the process of implementing the present invention, the inventor finds that there are at least the following problems in the prior art:

no matter the automatic cleaning device is provided with a single rolling brush or double rolling brushes, in order to achieve the cleaning effect, the rotating speed of the electric rolling brush is usually high, in order to prevent the machine body from being driven by the electric rolling brush rotating at a high speed to move too fast, so that the control is difficult and the cleaning effect is influenced, the machine body is usually supported by using additional auxiliary wheels or universal wheels, the electric rolling brush only contacts the ground by surface bristles and does not support the main weight of the machine body, so that the downward pressure of the electric rolling brush on the ground is insufficient, and the cleaning effect on stubborn stains on the ground is poor.

In addition, the automatic cleaning device provided with the traditional electric rolling brush is single in cleaning mode, is usually only suitable for a forward one-way cleaning mode, is not tight enough in surface fitting with the ground due to insufficient pressure of the rolling brush on the ground when retreating, is easy to cause water leakage, dust leakage and other phenomena, and cannot perform reciprocating cleaning in a short distance when stubborn stains are on the ground, so that the cleaning efficiency is low.

Disclosure of Invention

In order to solve at least one of the above-mentioned technical problem, the utility model discloses a main aim at provides an automatic cleaning device for the electronic round brush of solving automatic cleaning device among the prior art is not enough to the subsurface pressure, and is not good to stubborn spot cleaning performance, easily leaks dirt, leaks, the lower scheduling problem of cleaning efficiency.

In order to achieve the above object, according to one aspect of the present invention, there is provided an automatic cleaning apparatus, comprising a body, a floor brush assembly, a traveling assembly, a dust collection assembly;

the floor brush assembly is used for supporting the machine body and wiping the ground, and comprises a first rolling brush and a second rolling brush which are arranged in a front-back mode, the first rolling brush and the second rolling brush are controlled by a locking mechanism and can only rotate in a single direction, the rotating directions of the first rolling brush and the second rolling brush are opposite, when the machine body is observed from the side, the rotating direction of the first rolling brush on the left side is in an anticlockwise direction, and the rotating direction of the second rolling brush on the right side is in a clockwise direction;

the automatic cleaning device cleans the ground in an alternating forward and backward mode, when the first rolling brush rotates in the process of cleaning the ground, the second rolling brush is locked and cleans the ground, and when the second rolling brush rotates, the first rolling brush is locked and cleans the ground.

According to the utility model discloses an automatic cleaning device of one of them technical scheme (embodiment), have following advantage or beneficial effect:

different from the prior art that the dust is raised by depending on the high-speed rotation of the electric rolling brush, when the automatic cleaning device cleans the ground, the rolling brush positioned on the side of the advancing direction does not play a role in sweeping and raising the dust, and does not need to rotate at high speed, while the rolling brush positioned on the opposite side of the advancing direction is in a locking and stopping state and rubs with the ground to play a role in sweeping and collecting the garbage, so that an auxiliary supporting wheel in the prior art can be cancelled, the main weight of the machine body is supported by the two rolling brushes in the ground brush assembly, the rolling brushes can keep larger downward pressure on the ground, so that the surface of the rolling brush in the locking state has larger friction force with the ground, a better cleaning effect can be achieved on stubborn stains on the ground, and the phenomena of water leakage and dust leakage are not easy to occur due to the tight fit of the rolling brushes with the ground;

because the rolling brush does not need to rotate at a high speed, the energy consumption can be reduced, the attached sewage and dirt can be prevented from being thrown out forwards by the rolling brush rotating at a high speed, a water blocking cover and an anti-collision plate can be eliminated, and the soft rolling brush has an anti-collision effect.

Because the floor brush assembly is provided with the two rolling brushes which can rotate in one direction and are locked in opposite directions, the machine body can wipe the ground no matter the machine body moves forwards or backwards, and can collect and limit garbage and sewage between the two rolling brushes, the machine body can be cleaned in an alternating mode of moving forwards and backwards, the machine body can clean stubborn stains in a fixed-point reciprocating manner without turning around or turning, and the machine body has higher cleaning efficiency;

according to the utility model discloses self-cleaning device can realize that dry absorption is wet to drag, inhale earlier the back drag, inhale and drag multiple cleaning pattern such as integrative, the fixed point is clean repeatedly, has simple structure, and is with low costs, clean effectual, clean efficient, advantage such as power consumptive few.

Further, according to the present invention, in some embodiments, when the machine body travels, one of the first rolling brush and the second rolling brush located on the traveling direction side is passively rotated by a frictional force between a surface of the rolling brush and the ground.

According to the utility model discloses an in some embodiments, when the organism marchd, the one round brush that is located the direction of travel side in first round brush, the second round brush utilizes motor drive to rotate, and its rotational speed adapts to the speed of travel of organism.

According to the utility model discloses an in some embodiments, between the first round brush and the second round brush, still include the third round brush, the third round brush is electronic round brush.

According to the utility model discloses an in some embodiments, the dust absorption subassembly is including forming in the wind-guiding groove of organism bottom, the wind-guiding groove is located between first round brush and the second round brush, the middle part in wind-guiding groove is formed with the dust absorption mouth, the wind-guiding groove front and back border is equipped with the throttle section along at least one border, and the air current passes through the throttle section gets into the wind-guiding groove, gets into again the dust absorption mouth.

According to some embodiments of the present invention, the apparatus further comprises a liquid container and a liquid conveying device, wherein the liquid container conveys liquid to at least one of the first rolling brush and the second rolling brush through the liquid conveying device.

According to the utility model discloses an in some embodiments, self-cleaning device has dry moisture absorption and drags the mode under dry moisture absorption drags the mode, liquid conveyor only to second round brush transport liquid, self-cleaning device is in the reciprocal cleaning process in front and back, and the back-off distance is no longer than first round brush with distance between the second round brush.

According to some embodiments of the present invention, the automatic cleaning device has an energy-saving cleaning mode in which the dust suction motor of the dust suction assembly is turned off or intermittently turned on.

According to some embodiments of the invention, at least one of the first rolling brush and the second rolling brush is composed of two short rolling brush axial arrangements.

According to some embodiments of the present invention, the automatic cleaning device and the docking station are provided.

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

Drawings

Fig. 1 is a perspective view of an automatic cleaning device according to an embodiment of the present invention;

FIG. 2 is a side view of the robotic cleaning device shown in FIG. 1;

FIG. 3 is a bottom view of the automatic cleaning apparatus shown in FIG. 1;

FIG. 4 is a perspective view of an automatic cleaning device according to another embodiment of the present invention;

fig. 5 is a perspective view of an automatic cleaning device according to yet another embodiment of the present invention;

fig. 6 is a perspective view of an automatic cleaning device according to another embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1, 2 and 3, the automatic cleaning device according to an embodiment of the present invention comprises a machine body 1, a floor brush assembly, a traveling assembly and a dust collection assembly;

the scrubbing brush subassembly is equipped with the opening including the first round brush 21, the second round brush 22 that set up around, both ends around organism 1, and first round brush 21 is located the opening of organism 1 front end, and second round brush 22 is located the opening of organism 1 rear end.

The first and second rolling brushes 21, 22 are controlled by a locking mechanism, and can only rotate in one direction, wherein, optionally, the locking mechanism may be a one-way device such as a one-way bearing or a ratchet wheel arranged at the shaft end of the first and second rolling brushes 21, 22, for example, in this embodiment, the one-way bearing is preferred.

As shown in fig. 2, the first and second rolling brushes have opposite rotation directions, and when viewed from the side of the machine body 1, the first rolling brush 21 located on the left side rotates in the direction indicated by the arrow a, i.e., counterclockwise, and the second rolling brush 22 located on the right side rotates in the direction indicated by the arrow b, i.e., clockwise.

The traveling assembly comprises two traveling wheels 3 positioned on the left side and the right side of the machine body 1, the traveling wheels 3 are driven by a motor, in the process of cleaning the ground, the traveling wheels 3 elastically press against the ground, the machine body 1 is pushed to move forwards and backwards on the ground under the control of the automatic control assembly in the machine body 1, and when the machine body 1 needs to turn, the left traveling wheel 3 and the right traveling wheel 3 rotate at a differential speed or the two traveling wheels 3 respectively rotate in opposite directions.

In the process of cleaning the ground, the first rolling brush 21 and the second rolling brush 22 are in contact with the ground and support most of the weight of the machine body 1, when the machine body 1 moves forward, the one-way bearing at the shaft end of the first rolling brush 21 positioned on the side of the advancing direction is in an overrunning state, the first rolling brush 21 passively rotates by using the friction force between the surface of the first rolling brush and the ground, meanwhile, the one-way bearing at the shaft end of the second rolling brush 22 positioned on the opposite side of the advancing direction is in a non-return state, the second rolling brush 22 stops rotating, and the surface of the stopped second rolling brush 22 rubs with the ground and wipes the ground; when the machine body 1 retreats, the one-way bearing at the shaft end of the second rolling brush 22 positioned on the advancing direction side is in an overrunning state, the second rolling brush 22 passively rotates by utilizing the friction force between the surface of the second rolling brush and the ground, meanwhile, the one-way bearing at the shaft end of the first rolling brush 21 positioned on the opposite side of the advancing direction is in a non-return state, the first rolling brush 21 stops rotating, and the surface of the stopped first rolling brush 21 rubs with the ground and wipes the ground.

The locking mechanism adopts a one-way bearing and can adopt a standard component, and the locking mechanism has the advantages of low cost, simplicity, reliability, no need of additional control and the like.

The first rolling brush 21 and the second rolling brush 22 are preferably cylindrical rolling brushes, the surface material of the first rolling brush 21 and the second rolling brush 22 may be any material suitable for wiping the surface to be cleaned, such as flannelette, collodion, sponge, soft rubber, rubber and plastic, disposable paper wiping, and the like, and optionally, the first rolling brush 21 and the second rolling brush 22 may also be crawler-type rolling brushes.

In the above embodiment, since the first rolling brush 21 and the second rolling brush 22 are passively rotated by the friction force between the surface of the rolling brush and the ground, a rolling brush motor is eliminated, so that the cost can be reduced, the power consumption can be reduced, the noise can be reduced, the structure can be simplified, and the available space in the machine body 1 can be increased.

Because the main weight of the machine body is supported by the first rolling brush 21 and the second rolling brush 22, the rolling brushes can keep large downward pressure on the ground, so that large friction force is generated between the surfaces of the rolling brushes in a locking state and the ground, a good cleaning effect can be achieved on stubborn stains on the ground, and the phenomena of water leakage and dust leakage are not easy to occur due to the fact that the rolling brushes are tightly attached to the ground.

Because the round brush does not need high-speed rotation, can also reduce the energy consumption, can prevent that high-speed rotatory round brush from throwing away adnexed sewage and foul to the place ahead, also can cancel water blocking lid and anticollision board simultaneously, play the anticollision effect by soft round brush to detect the collision of round brush and barrier by the sensor in the organism, control the organism and keep away the barrier.

According to the utility model discloses self-cleaning device cleans ground through the mode of advancing, retreating in turn marcing, and first round brush 21 and second round brush 22 stop in the commentaries on classics and wipe the face of sweeping the floor alternately to draw in rubbish and sewage between two round brushes, inhale the interior dirt box (sewage case) of organism 1 by the dust absorption subassembly again.

It should be noted that the manner of alternately advancing and retreating refers to a normal cleaning process, and the automatic cleaning device can also continuously advance or retreat when heading to a designated area, avoiding obstacles, turning, and the like.

Because the automatic cleaning device is provided with the two rolling brushes which can rotate in one direction and lock opposite directions, the automatic cleaning device can wipe and sweep the ground no matter the automatic cleaning device moves forwards or backwards, collect and limit garbage and sewage between the two rolling brushes, can clean the stubborn stains in a fixed-point reciprocating manner without turning around or turning a corner, and has higher cleaning efficiency; in addition, various cleaning modes such as dry wet-absorbing mopping, first absorbing and then mopping, absorbing and mopping integration, fixed-point repeated cleaning and the like can be realized.

As shown in fig. 3, in some embodiments of the present invention, four cliff sensors 101 are further included under the front and rear ends of the machine body 1 to prevent the machine body 1 from falling from a high place.

As shown in fig. 4, according to the present invention, in some embodiments, below the machine body 1, between the first rolling brush 21 and the second rolling brush 22, a third rolling brush 23 is further included, the third rolling brush 23 is an electric rolling brush, the third rolling brush 23 is mounted in the dust-collecting chamber formed at the bottom of the machine body 1 in a suspended manner, the surface bristles of the third rolling brush are in contact with the ground, and in the high-speed rotation process of the third rolling brush 23, the surface bristles of the third rolling brush hit the ground, so that the ground sewage and the garbage are hoisted into the dust-collecting chamber, and then sucked into the dust box (sewage tank) inside the machine body.

Because the main weight of the machine body 1 is supported by the first rolling brush 21 and the second rolling brush 22, the first rolling brush 21 and the second rolling brush 22 erase stubborn dirt on the ground and collect garbage and sewage in the alternate rotation and stop process, and the third rolling brush 23 can hoist the garbage and sewage collected by the first rolling brush 21 and the second rolling brush 22 into the dust collection cavity, so that the dust collection effect is enhanced.

As shown in fig. 5, according to some embodiments of the present invention, the first rolling brush 21 and the second rolling brush 22 may also be electric rolling brushes, and during the process of cleaning the ground, the first rolling brush 21 and the second rolling brush 22 contact with the ground and support all or most of the weight of the machine body 1, the rotation directions of the first rolling brush 21 and the second rolling brush 22 are opposite, and are controlled by a locking mechanism, and only rotate in one direction, and optionally, the locking mechanism may be a position ring of the motor itself, such as a mechanical brake device or a servo motor, or may be an additional device, such as a one-way bearing, a ratchet wheel, or the like. Taking the locking mechanism as an example, preferably, the locking mechanism is a one-way bearing, when the machine body 1 advances under the push of the advancing wheel 3, the one-way bearing at the shaft end of the first rolling brush 21 on the advancing direction side is in an overrunning state, the first rolling brush 21 is driven by the motor to rotate, the rotating speed of the first rolling brush 21 adapts to the advancing speed of the machine body 1, the motor of the second rolling brush 22 on the opposite side of the advancing direction stops rotating, the one-way bearing at the shaft end of the second rolling brush 22 is in a non-return state, the one-way bearing in the non-return state prevents the second rolling brush 22 which stops rotating from reversing, and the surface of the second rolling brush 22 which stops rotating rubs with the ground and wipes the ground; when the machine body 1 retreats under the pushing of the traveling wheel 3, the one-way bearing at the shaft end of the second rolling brush 22 positioned on the traveling direction side is in an overrunning state, the second rolling brush 22 rotates under the driving of the motor, the rotating speed of the second rolling brush 22 adapts to the retreating speed of the machine body 1, the motor of the first rolling brush 21 positioned on the opposite side of the traveling direction stops rotating, the one-way bearing at the shaft end of the first rolling brush 21 is in a non-return state, the one-way bearing in the non-return state prevents the first rolling brush 21 which stops rotating from reversing, and the surface of the first rolling brush 21 which stops rotating rubs with the ground and wipes the ground.

Because the round brush does not need high-speed rotation, although adopted electronic round brush, the electronic round brush of low-speed rotation and adaptation organism 1 speed of marcing is less to the influence of marcing of organism 1, still can be used for supporting organism 1 weight, makes the round brush surface keep great holding down force to ground, reaches better clean effect to the resistance of the broach that the round brush surface set up with organism 1 or scraping the water strip contact can be overcome to low-speed pivoted electronic round brush, prevents the round brush rotation jamming.

As shown in fig. 5, according to some embodiments of the present invention, the dust collection assembly includes an air guiding groove 110 formed at the bottom of the machine body 1, the air guiding groove 110 is located between the first rolling brush 21 and the second rolling brush 22, a dust collection opening 111 is formed at the middle portion of the air guiding groove 110, a throttle section 112 is provided at least one edge of the front and rear edges of the air guiding groove 110, the throttle section 112 is formed by a gap between the bottom surface of the machine body 1 and the ground, preferably, the throttle section 112 is provided at the front and rear edges of the air guiding groove 110, or only one of the edges may be provided with the throttle section 112, the other edge is provided with a wiping strip made of a flexible material, and the wiping strip can play a role of keeping out the wind and pushing dust to wipe the ground.

Because the air guide groove 110 is formed at the bottom of the machine body 1, the structure is simple, the distance from the ground is closer, the throttling section 112 formed between the bottom surface of the machine body 1 and the ground can accelerate the airflow, the accelerated airflow can have a scouring effect on the ground, and in one stroke of the machine body, ground dirt and sewage can undergo twice airflow scouring, so that a better cleaning effect can be achieved.

According to the utility model discloses an in some embodiments, still be equipped with liquid container and liquid conveyor in the organism 1, liquid container includes clear water case and sewage case, and liquid conveyor carries the cleaning solution in the clear water case to at least one in first round brush 21, the second round brush 22.

Owing to have liquid container and liquid conveyor, according to the utility model discloses automatic cleaning device can realize doing wet dual-purpose, inhales and drags an organic whole.

According to some embodiments of the present invention, the automatic cleaning device has a dry wet mop mode, the liquid delivery device preferably only delivers the cleaning liquid to the second rolling brush 22, and the machine body 1 is cleaned back and forth in a single reciprocating stroke, and the retreat distance does not exceed the distance between the first rolling brush 21 and the second rolling brush 22.

Because the liquid conveying device preferably only conveys liquid to the second rolling brush 22 positioned at the rear, the surface of the first rolling brush 21 can be kept dry, when the machine body 1 moves forwards, the first rolling brush 21 positioned at the front and kept dry can not wet garbage such as dust on the ground, hair and the like, the garbage is not easy to adhere to the ground and the surface of the rolling brush, and is easier to be sucked into the machine body by the dust suction assembly, so that the dry suction function is realized; the surface of the second rolling brush 22 positioned at the rear is wetted by the cleaning liquid and is in a locked state to rub against the ground, and the second rolling brush 22 wets the ground and wipes dirt on the ground, so that the wet-mopping function is realized; when the automatic cleaning device retreats, since the retreating distance does not exceed the distance between the first rolling brush 21 and the second rolling brush 22, the first rolling brush 21 does not contact the ground wetted by the second rolling brush 22, and the first rolling brush 21 can be kept dry, thereby realizing a continuous dry wet-absorption mopping mode.

According to the utility model discloses an in some embodiments, self-cleaning device sets up through the user, perhaps detects through the sensor and inhales when the dust content is less in the air current, self-cleaning device gets into energy-conserving clean mode, and under energy-conserving clean mode, the dust absorption motor among the dust absorption subassembly is closed, only utilizes the scrubbing brush subassembly to wipe and sweep ground, and is optional, and the dust absorption motor can also be opened intermittently, inhales the organism with the rubbish that the scrubbing brush subassembly drawn in during dust absorption motor closes.

Because the ground brush component can collect and limit garbage between the two rolling brushes, the automatic cleaning device can still realize the function of cleaning the ground under the condition that the dust collection motor is closed, and meanwhile, because the main power consumption component, namely the dust collection motor, is closed or intermittently opened, the power consumption can be effectively reduced, the endurance time is prolonged, and under the condition that the dust collection motor is closed, the working noise of the automatic cleaning device can also be effectively reduced.

According to the utility model discloses an in some embodiments, self-cleaning device still has and inhales earlier afterwards to drag the mode, inhales earlier afterwards to drag under the mode, self-cleaning device's liquid conveyor does not carry liquid to the round brush temporarily, makes the round brush keep dry, uses dry to wipe and inhales the mode futilely and clean ground, when detecting that the air current dust content is less or has cleaned all to treat clean region, liquid conveyor begins to carry liquid to the round brush, self-cleaning device adopts the conventionality to inhale to drag integrative mode or energy-conserving mode and treats clean region once more and clean.

Under the condition that the dust content on the ground is higher or the hair is more, the dry wiping dry absorption can effectively prevent the dust and the hair from adhering to the ground and the rolling brush after being wetted to influence the cleaning effect, and the wet wiping is carried out after the dry wiping dry absorption, so that the better cleaning effect can be achieved.

According to the utility model discloses an in some embodiments, self-cleaning device has the repeated clean mode of fixed point, under the repeated clean mode of fixed point, self-cleaning device's sensor detects when there is remaining stubborn dirt on ground, self-cleaning device can be under the control of automatic control subassembly, and at the regional short distance of stubborn dirt reciprocating cleaning all around, until stubborn dirt is clear away, for the clean mode of tradition robot nature of sweeping the floor, the repeated clean mode of fixed point has better cleaning performance and higher clean efficiency.

According to some embodiments of the present invention, at least one of the first rolling brush 21 and the second rolling brush 22 is composed of two short rolling brush axial arrangements. Preferably, as shown in fig. 6, the first roll brush 21 is composed of two short roll brushes 211, 212 axially aligned, and the second roll brush 22 is composed of two short roll brushes 221, 222 axially aligned.

Because two short round brushes are axially arranged, the round brush installation support can be arranged between the two short round brushes, complete welting cleaning can be realized, and further, the four short round brushes can be electrically driven round brushes, the tractor body 1 is synchronously rotated to be drawn to advance or retreat through the two short round brushes in the advancing direction, turning and turning-around are realized through differential rotation between the short round brushes, so that an independent advancing assembly can be cancelled, and the function of the advancing assembly is realized through the ground brush assembly.

According to the utility model discloses an in some embodiments, still include by according to the utility model discloses the cleaning system that automatic cleaning device and stop constitute, the stop can include automatic charging device, moisturizing drainage device, round brush cleaning device, round brush drying device.

The automatic charging device is used for charging the automatic cleaning device; the water replenishing and draining device is used for injecting clean water into the automatic cleaning device and draining sewage;

the round brush cleaning device includes the washing tank and corresponds to first round brush respectively, the cleaning roller and the nozzle of second round brush, the cleaning roller surface is equipped with broach and/or brush hair, the cleaning roller is under motor drive, drive first round brush through frictional force, the second round brush is rotatory, when broach and/or brush hair clear away round brush surperficial rubbish, the nozzle is to first round brush, second round brush surface water spray, wash the completion back, the nozzle stops the water spray, the cleaning roller continues the rotation, extrude round brush surface moisture, fall into the washing tank, dry the round brush through round brush drying device afterwards.

Alternatively, the cleaning tank may not include a nozzle, and the liquid is supplied to the surface of the roller brush by a liquid supply device provided in the automatic cleaning device during cleaning of the roller brush.

According to the above embodiments of the present invention, only some exemplary embodiments are simply described. As those skilled in the art will realize, the described embodiments may be modified in various different ways, all without necessarily requiring or implying an exhaustive enumeration of all embodiments, without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive, and that changes and modifications may be made therein without departing from the scope of the invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "side", "end", "top", "bottom", "center", "left", "right", "clockwise", "counterclockwise", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

Claims (10)

1. An automatic cleaning device, characterized in that: comprises a machine body, a floor brush component, a traveling component and a dust collection component;

the floor brush assembly is used for supporting the machine body and wiping the ground, and comprises a first rolling brush and a second rolling brush which are arranged in front and at the back, the first rolling brush and the second rolling brush are controlled by a locking mechanism and can only rotate in a single direction, the rotating directions of the first rolling brush and the second rolling brush are opposite, the rotating direction of the first rolling brush on the left side is in an anticlockwise direction, and the rotating direction of the second rolling brush on the right side is in a clockwise direction when viewed from the side of the machine body;

the automatic cleaning device cleans the ground in an alternating forward and backward mode, when the first rolling brush rotates in the process of cleaning the ground, the second rolling brush locks and wipes the ground, and when the second rolling brush rotates, the first rolling brush locks and wipes the ground.

2. The automatic cleaning device according to claim 1, wherein: when the machine body moves forward, one rolling brush located on the side of the moving direction in the first rolling brush and the second rolling brush rotates passively by using the friction force between the surface of the rolling brush and the ground.

3. The automatic cleaning device according to claim 1, wherein: when the machine body moves forward, one rolling brush located on the side of the moving direction in the first rolling brush and the second rolling brush is driven to rotate by a motor, and the rotating speed of the rolling brush is adapted to the moving speed of the machine body.

4. The automatic cleaning device according to claim 1, wherein: and a third rolling brush is arranged between the first rolling brush and the second rolling brush, and the third rolling brush is an electric rolling brush.

5. The automatic cleaning device according to claim 1, wherein: the dust collection assembly comprises an air guide groove formed in the bottom of the machine body, the air guide groove is located between the first rolling brush and the second rolling brush, a dust collection opening is formed in the middle of the air guide groove, a throttling section is arranged on at least one edge of the front edge and the rear edge of the air guide groove, and air flow enters the air guide groove through the throttling section and then enters the dust collection opening.

6. The automatic cleaning device according to claim 1, wherein: the liquid container is used for conveying liquid to at least one of the first rolling brush and the second rolling brush through the liquid conveying device.

7. The automatic cleaning device according to claim 6, wherein: the automatic cleaning device is provided with a dry moisture absorption mopping mode, the liquid conveying device only conveys liquid to the second rolling brush in the dry moisture absorption mopping mode, and in the front and back reciprocating cleaning process of the automatic cleaning device, the backward distance does not exceed the distance between the first rolling brush and the second rolling brush.

8. The automatic cleaning device according to claim 1, wherein: the automatic cleaning apparatus has an energy-saving cleaning mode in which a dust suction motor of the dust suction assembly is turned off or intermittently turned on.

9. The automatic cleaning device according to claim 1, wherein: at least one of the first rolling brush and the second rolling brush is composed of two short rolling brushes which are axially arranged.

10. A cleaning system, characterized by: comprising an automatic cleaning device and a docking station according to claims 1 to 9.

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