CN211749314U

CN211749314U - Maintenance station and sweeping robot

Info

Publication number: CN211749314U
Application number: CN201921937238.1U
Authority: CN
Inventors: 陈小平; 陈超; 司徒伟贤; 张俊
Original assignee: Foshan Viomi Electrical Technology Co Ltd
Current assignee: Foshan Viomi Electrical Technology Co Ltd
Priority date: 2019-11-10
Filing date: 2019-11-10
Publication date: 2020-10-27
Anticipated expiration: 2029-11-10

Abstract

The embodiment of the utility model discloses a maintenance station and sweeping robot, which comprises a maintenance station and a sweeping machine body, wherein the sweeping machine body is provided with a water collecting box, the water collecting box is provided with a plurality of drainage holes, and the drainage holes are communicated to a cleaning component at the bottom of the sweeping machine body; the utility model discloses a quick-witted body of sweeping floor, including maintenance station, main control panel, control valve, liquid way pipeline, water tank, control valve and water tank body, the maintenance station is last to be equipped with water tank subassembly, charging assembly and the control assembly, the control assembly includes main control panel, switch and liquid outlet, the water tank subassembly includes water tank body, control valve and liquid way pipeline, the water tank body passes through the liquid way pipeline with the liquid outlet is connected, switch, main control panel, charging assembly and control valve electricity in proper order are connected, the control valve is used for control the liquid flow of liquid way pipeline makes the water tank body can to the water-collecting box water injection.

Description

Maintenance station and sweeping robot

Technical Field

The utility model relates to a robot technical field of sweeping the floor especially relates to a maintain station and robot of sweeping the floor.

Background

The floor sweeping robot is also called an automatic cleaner, intelligent dust collection, a robot dust collector and the like, is one of intelligent household appliances, and can automatically complete floor cleaning work in a room by means of certain artificial intelligence. Generally, the floor cleaning machine adopts a brushing and vacuum mode, and firstly absorbs the impurities on the floor into the garbage storage box, so that the function of cleaning the floor is achieved.

At present, the floor sweeping robot with the water tank exists in the market, dust collection and wiping operation can be carried out on the ground, liquid needs to be manually injected into the water tank after the liquid in the water tank is used up every time, and therefore the workload of a user is increased, inconvenience is brought to the user, and the cleaning can not be carried out continuously.

SUMMERY OF THE UTILITY MODEL

The utility model provides a maintain station and robot of sweeping floor can be through maintaining the water tank body on the station to the water-collecting box water injection on the quick-witted body of sweeping floor for the robot of sweeping floor lasts and washs ground, reduces user's work load.

The utility model provides a robot of sweeping floor, include:

the sweeper body is provided with a water collecting box, a plurality of drainage holes are formed in the water collecting box, and the drainage holes are communicated to the cleaning assembly at the bottom of the sweeper body;

the maintenance station is equipped with water tank set spare, charging assembly and control assembly, control assembly includes main control board, switch and liquid outlet, water tank set spare includes water tank body, control valve and liquid way pipeline, the water tank body passes through the liquid way pipeline with the liquid outlet is connected, switch, main control board, charging assembly and control valve electricity in proper order are connected, the control valve is used for control the liquid flow of liquid way pipeline makes the water tank body can to the water catch box water injection, charging assembly be used for to the quick-witted body of sweeping the floor charges.

The utility model discloses an among the robot of sweeping the floor, the water tank subassembly still includes the pressure source, the pressure source sets up the water tank body with between the control valve, be used for producing the water tank body to the pressure of water catch box flowing back.

The utility model discloses an among the robot of sweeping the floor, the water tank subassembly still includes detecting element, detecting element sets up the water tank body with between the pressure source, be used for detecting the liquid condition on the water tank body, so that the water tank body to during the water-collecting box flowing back, detecting element can real-time supervision the internal stock solution condition of water tank.

The utility model discloses an among the robot of sweeping the floor, be equipped with on the water tank body and be used for supplying the inlet that the liquid device communicates with external, the main control board electric with the control valve electricity on the external liquid device that supplies is connected, is used for control external liquid device that supplies to the water tank body supplies liquid.

The utility model discloses an among the robot of sweeping the floor, the inside of water tank body is equipped with water tank liquid level detector, water tank liquid level detector with the external control valve electric connection that supplies on the liquid device, so that water tank liquid level detector can be based on the liquid level height of liquid on the water tank body, control opening or closing of control valve on the external liquid device that supplies.

The utility model discloses an among the robot of sweeping the floor, the inside of water collection box is equipped with the liquid level detection ware, the liquid level detection ware with behind the pressure source electric connection, the liquid level detection ware can be based on the liquid level height of liquid on the water collection box, control opening or closing of pressure source.

The utility model discloses an among the robot of sweeping the floor, liquid level detector includes:

the liquid inlet detector is arranged in the water collecting box and used for controlling the water tank body to discharge liquid to the water collecting box;

the liquid stopping detector is arranged in the water collecting box; the water tank body is used for preventing the water tank body from draining liquid to the water collecting box.

The utility model discloses an among the robot of sweeping the floor, be equipped with the moving part on the hydrophobic hole, so that the moving part can follow the removal of machine body of sweeping the floor is in the activity on the hydrophobic hole is used for control the water catch bowl to wash the subassembly drainage.

The utility model discloses an among the robot of sweeping the floor, it is in to wash the subassembly including setting up the support of machine body bottom of sweeping the floor and install the rag on the support, the support with the connection can be dismantled to the machine body of sweeping the floor.

The utility model also provides a maintenance station, include:

the charging assembly is used for charging the sweeper;

the control assembly comprises a main control board, a power switch and a liquid outlet, wherein the power switch is electrically connected with the main control board;

the water tank assembly comprises a water tank body, a control valve and a liquid circuit pipeline, wherein the water tank body is connected with a liquid outlet through the liquid circuit pipeline, the control valve is electrically connected with the main control board and used for controlling the liquid of the liquid circuit pipeline to flow and enable the water tank body to inject water into the sweeper.

The technical scheme provided by the embodiment of the application can have the following beneficial effects: the application designs a maintain station and robot of sweeping floor, owing to maintain and be equipped with the water tank subassembly on the station, can be when the water-collecting box does not have liquid to the water-collecting box water injection to can ensure that the robot of sweeping floor continuously washs ground, reduce user's work load.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic structural view of a sweeping robot according to an embodiment of the present invention;

figure 2 is an exploded schematic view of the sweeping robot of figure 1;

FIG. 3 is a schematic diagram of the construction of the maintenance station of FIG. 1;

FIG. 4 is a schematic view of the maintenance station internal piping and passageways of FIG. 1;

FIG. 5 is a schematic view of the fluid path inside and outside the maintenance station of FIG. 1;

figure 6 is an exploded schematic view of the sweeper body of figure 1;

FIG. 7 is a schematic view of the structure of the housing box cover in FIG. 1;

FIG. 8 is a schematic view of the structure of the cartridge body of the accommodation cartridge in FIG. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

As shown in fig. 1 to 8, the present application provides a robot of sweeping floor, including maintaining station 10 and machine body 20 of sweeping floor, wherein, maintain and be equipped with collection dirt subassembly, water tank assembly, subassembly and the control assembly of sweeping floor on the station 10, the control assembly includes main control board, switch and liquid outlet 13, the water tank assembly includes water tank body 15, control valve 131 and liquid way pipeline 100, water tank body 15 passes through liquid way pipeline 100 and is connected with liquid outlet 13, switch, main control board, the subassembly and the control valve 131 electricity in proper order of sweeping floor are connected.

The inside of machine body 20 of sweeping the floor is provided with and is used for collecting the dust and holds the box 22 that holds of liquid, holds the box 22 and can only have one and hold the chamber, should hold the collection that the chamber can directly be used for dust or rubbish, then shift dust or rubbish to the collection dirt subassembly of maintaining station 10 in, maintain the water tank body 15 on the station 10 and pour into liquid into to holding the box 22 through liquid outlet 13 to wash through holding the hydrophobic hole on the box 22 in the washing subassembly on the machine body of sweeping the floor.

Specifically, the accommodating box is provided with a dust inlet and a drain hole, the dust inlet is communicated with a dust suction inlet arranged on the sweeper body 20, the drain hole is communicated with a cleaning component arranged on the sweeper body 20, the dust suction inlet and the cleaning component are both arranged at the bottom of the sweeper body 20, the positions of the dust inlet and the drain hole are not limited in the application, in the embodiment, the dust inlet is arranged on the peripheral side of the accommodating box, the drain hole is arranged at the bottom of the accommodating box, when the sweeper body 20 cleans the dust or garbage on the ground, the dust or garbage on the ground enters the dust inlet through the dust suction port, when the containing box 22 is full or cleaned, the sweeper body 20 is moved to the maintenance station 10, the dust collecting assembly is used for collecting the dust and garbage in the containing box 22, to ensure that the containment box 22 has sufficient space to clean the floor again or for containing liquids.

When the sweeper body 20 cleans the ground after cleaning, the sweeper body 20 moves to the maintenance station 10, the accommodating box 22 is closed to form the dust inlet and open the drain hole, so that the water tank body 15 can inject more liquid into the accommodating box 22 through the liquid outlet 13, the number of times that the sweeper body 20 returns to the maintenance station 10 in the cleaning process is reduced, and the working efficiency of the sweeper body 20 is improved.

In an alternative embodiment, the maintenance station 10 is further provided with a power input port for supplying power required for operation to the main control panel, and in this embodiment, the power input port is provided separately from the liquid outlet 13 to ensure the safety of the maintenance station 10.

Specifically, the main control board is installed on the inside wall of maintaining the station 10, switch is used for controlling the electric current break-make of power input port and main control board, control valve 131 is installed in the bottom of maintaining the station 10, and the predetermined distance of interval one between liquid way pipeline 100 and the main control board, in order to ensure the power consumption safety of main control board, wherein, the main control board is used for controlling control valve 131 or the power supply condition of other inside components of maintaining the station 10, so that control valve 131 can control liquid outlet 13 and inject liquid into holding box 22, and control collection dirt subassembly and inhale dust and rubbish on holding box 22 through the dust inlet, or control the subassembly that charges to the quick-witted body 20 of sweeping the floor.

In an alternative embodiment, the accommodation box 22 includes an accommodation box housing 222 and an accommodation box cover 221, and the accommodation box housing 222 and the accommodation box cover 221 together constitute an accommodation space for accommodating dust or garbage, and the accommodation space is provided with a filter assembly. In this embodiment, the filter assembly and the drain hole are spaced by a preset distance, which may be any value between 0 mm and 5mm, and the main purpose of the filter assembly is to prevent the drain hole from being blocked by dust or garbage, so that the drain hole cannot drain water to the cleaning assembly at the bottom of the sweeper body 20.

Specifically, filter component demountable installation is in accommodation space, and the filtration pore on the filter component is enough little moreover, not only can ensure that dust or rubbish can be on the filter component and be siphoned away by the collection dirt subassembly on the maintenance station 10 through advancing the dirt mouth, also conveniently regularly changes filter component or washs filter component simultaneously, improves filter component's filter effect.

In an alternative embodiment, the circumferential side and the bottom of the accommodating box 22 are provided with heaters for drying the dust or garbage inside the accommodating box 22, so as to prevent the dust or garbage inside the accommodating box 22 from adhering to the filtering assembly, which results in that the dust collecting assembly on the maintenance station 10 cannot suck the dust or garbage inside the accommodating box 22 away, and the use effect of the sweeper body 20 is affected.

Specifically, the heater may be a heating coil, a part of which is wound around the circumference of the containing case 22 and a part of which is wound around the bottom of the containing case 22, so that dust or garbage inside the containing case 22 can be comprehensively dried.

In an alternative embodiment, the housing box 22 may include a dust collection box and a water collection box, wherein the dust collection box and the water collection box may be integrally formed, for example, the water collection box is disposed around one side of the dust collection box, or the water collection box is disposed at the lower end of the dust collection box, or even the dust collection box is disposed around the water collection box, which is not limited in this application, and the purpose of the present invention is to divide the housing box 22 into two parts, one of which is used for collecting dust and garbage, i.e., the dust collection box; the other part is used for containing liquid and is also convenient for draining water to the cleaning assembly, namely the water collecting box.

In an alternative embodiment, the dust collecting box and the water collecting box can be formed separately, wherein the sweeper body 20 is provided with a water collecting box mounting part and a dust collecting box mounting part, the dust collecting box is detachably mounted on the dust collecting box mounting part, and the water collecting box is detachably mounted on the water collecting box mounting part; or only one containing box mounting part 211 is arranged on the sweeper body 20, and the dust collecting box and the water collecting box are simultaneously mounted on the containing box mounting part 211, so that the sweeper is simple in structure but practical.

After the technical scheme is adopted, when the sweeper body 20 cleans the garbage of the dust on the ground, the ground can be cleaned through the cleaning assembly, the number of times that the sweeper body 20 comes and goes can be reduced, the working efficiency of the sweeper body 20 is improved, and the situation that the dust or the garbage on the dust collecting box is influenced by the liquid in the water collecting box is avoided, so that the dust and the garbage can not be sucked away by the dust collecting assembly on the maintenance station 10 is avoided. In addition, after the sweeper body 20 is cleaned or cleaned, the maintenance station 10 can fill water into the water collecting box while cleaning dust or garbage in the dust collecting box.

In an optional embodiment, the water tank assembly further includes a pressure source 132, the pressure source 132 is disposed between the water tank body 15 and the control valve 131, and is used for generating a pressure for discharging the water from the water tank body 15 to the water collecting box, and simultaneously, the control valve 131 can be ensured to cut off the water outlet 13 to supply the water to the water collecting box in time, so as to ensure that the liquid in the water collecting box does not overflow and shorten the service life of the sweeper body 20.

It should be noted that the water tank body 15 can also supply liquid to the water collecting box by gravity, and the application is not limited.

Specifically, pressure source 132 is the force pump, and the force pump is connected on the liquid way pipeline 100 of water tank body 15 and control valve 131, main control board and force pump and control valve 131 electric connection, when water tank body 15 reaches the collection box drainage, when liquid in the collection box reaches and predetermines the height, the force pump also is closed when the main control board closes control valve 131, avoids the force pump to continue to produce the pressure to the collection box drainage, can effectively avoid the loss of the energy.

In an optional embodiment, the water tank assembly further comprises a detection unit 133, wherein the detection unit 133 is disposed between the water tank body 15 and the pressure source 132 for detecting the liquid condition on the water tank body 15, so that the detection unit 133 can monitor the liquid storage condition in the water tank body 15 in real time when the water tank body 15 discharges liquid to the water collecting box.

Specifically, the detecting unit 133 can be a bubble detector, and because the bubble detector is disposed on one side close to the water tank body 15, the bubble detector can detect the liquid condition in the water tank body 15 in time, and when bubbles appear in the liquid path pipeline 100, the bubble detector can remind the user through the alarm device on the maintenance station 10, so as to ensure that sufficient liquid is supplied to the sweeper body 20 in the water tank body 15, thereby ensuring that the sweeper body 20 can continuously supply.

In an alternative embodiment, a liquid level detector is disposed inside the water collecting box, and the liquid level detector is electrically connected to the pressure source 132, so that the liquid level detector can control the pressure source 132 to be turned on or off according to the liquid level of the liquid on the water collecting box.

Specifically, the liquid level detector can not only control the on or off of the pressure source 132, but also transmit a signal to the control board on the sweeper body 20, and the control board controls the sweeper body 20 to move to the maintenance station 10, for example, when the sweeper body 20 detects that the liquid in the water collecting box is insufficient through the liquid level detector, the control board on the sweeper body 20 controls the sweeper body 20 to move to the maintenance station 10; after the sensor on the maintenance station 10 senses that the sweeper body 20 enters the maintenance station 10, the main control board opens the control valve 131 and controls the liquid outlet 13 to inject water into the sweeper body 20, and when the liquid level detector detects that a certain height is reached in the water collecting box, the main control board closes the control valve 131 to stop the liquid outlet 13 from discharging liquid into the water collecting box.

In an optional embodiment, the liquid level detector comprises a liquid inlet detector and a liquid stop detector, wherein the liquid inlet detector and the liquid stop detector are both installed in the water collecting box, the liquid inlet detector is used for controlling the water tank body to discharge liquid to the water collecting box, and the liquid stop detector is used for preventing the water tank body from discharging liquid to the water collecting box.

In an optional embodiment, the water tank body 15 is provided with a liquid inlet for communicating with an external liquid supply device, and the main control board is electrically connected with a control valve on the external liquid supply device and is used for controlling the external liquid supply device to supply liquid to the water tank body 15 so as to ensure the liquid capacity in the water tank body 15.

Specifically, the inside of water tank body 15 is equipped with water tank liquid level detector, and water tank liquid level detector and the external control valve electric connection that supplies on the liquid device to make water tank liquid level detector can be according to the liquid level height of liquid on the water tank body, control external opening or closing of supplying the liquid device to go up the control valve, avoid the liquid in the water tank body 15 to spill over.

It should be noted that the tank body 15 can be connected to a tap water pipe, and the tank level detector can inform a user of the liquid condition in the tank body 15 through an alarm outside the maintenance station 10; and this application adopts external confession liquid device can ensure the confession liquid condition in the water tank body 15, also is convenient for simultaneously sweep the floor intelligent control of robot.

In an alternative embodiment, the drain hole is provided with a movable member, so that the movable member can move on the drain hole along with the movement of the sweeper body 20, and is used for controlling the water collecting box to drain water to the cleaning assembly.

Specifically, the movable member may include an elastic member and a ball, the ball is movably mounted in the drainage hole through the elastic member, and an elastic coefficient of the elastic member is sufficient to ensure that the ball can roll in an axial direction of the drainage hole when the sweeper body 20 moves.

In an optional embodiment, a dust suction pipe is connected between the dust collection box and the dust suction port, and a heating device is arranged on the dust suction pipe and used for drying dust or garbage on the dust suction pipe, so that the dust or garbage is prevented from adhering to the dust suction pipe, and the dust suction pipe is prevented from being blocked by the dust or garbage.

In an alternative embodiment, the charging assembly includes a charging pad mounted below the maintenance station, with a transmitting coil in the charging pad for transmitting current to a receiving coil on the sweeper body 20.

Specifically, a battery is arranged in the sweeper body 20, the receiving coil is electrically connected with the battery, and when the sensor 11 on the maintenance station 10 detects that the sweeper body 20 enters the maintenance station 10, the transmitting coil works and charges the battery in the sweeper body 20 through the receiving coil.

It should be noted that the maintenance station 10 may also charge the sweeper body 20 in a wired manner, which is not limited in the present application.

In an optional embodiment, the cleaning assembly comprises a bracket arranged at the bottom of the sweeper body and the cleaning cloth arranged on the bracket, and the bracket is detachably connected with the sweeper body so as to facilitate replacement of the cleaning cloth.

In an alternative embodiment, the dust collecting assembly comprises a driving motor disposed in the maintenance station 10, a dust collecting opening 12 disposed in the maintenance station 10, a dust collecting box 14, and a dust collecting passage connected between the dust collecting opening and the dust collecting box 14, wherein the driving motor is disposed below the dust collecting box 14 for generating a suction force so that dust or garbage can enter the dust collecting opening through the dust inlet and then enter the dust collecting box 14 from the dust collecting opening, thereby achieving an effect of cleaning the dust collecting box.

In an alternative embodiment, a bag made of non-woven fabric can be installed in the dust collecting box 14, and the aperture of the bag is about 0.3mm, so that not only the garbage in the dust collecting box 14 can be cleaned conveniently, but also the suction force generated by the driving motor can be ensured to suck the dust or the garbage in the dust collecting box into the bag.

In an alternative embodiment, the bag is sealed at the opening of the dust collecting channel so that the bag can be automatically sealed after the user removes the bag to prevent dust or garbage in the bag from leaking out and to ensure the cleanliness of the dust collecting case 14.

The application also provides a maintenance station, including water tank set spare, the subassembly and the control assembly that charge, wherein, the control assembly includes main control board, switch and liquid outlet, and water tank set spare includes water tank body, control valve and liquid way pipeline. In this embodiment, the water tank body passes through the liquid way pipeline and is connected with the liquid outlet, and switch, main control board, the subassembly that charges and control valve electricity in proper order are connected, and the control valve is used for controlling the liquid flow of liquid way pipeline and makes the water tank body can be to the quick-witted water injection of sweeping the floor, and the subassembly that charges is used for charging to the machine of sweeping the floor.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of the specific examples are described above. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

In the description of the present specification, reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "example", "specific example", or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A sweeping robot is characterized by comprising:

2. The sweeping robot of claim 1, wherein the tank assembly further comprises a pressure source disposed between the tank body and the control valve for generating a pressure for the tank body to discharge liquid into the sump box.

3. The robot of claim 2, wherein the water tank assembly further comprises a detection unit, the detection unit is disposed between the water tank body and the pressure source and is configured to detect a liquid condition on the water tank body, so that the detection unit can monitor a liquid storage condition in the water tank body in real time when the water tank body discharges liquid to the water collecting box.

4. The floor sweeping robot according to claim 1, wherein a liquid inlet for communicating with an external liquid supply device is formed in the water tank body, and the main control board is electrically connected with a control valve on the external liquid supply device and used for controlling the external liquid supply device to supply liquid to the water tank body.

5. The sweeping robot according to claim 4, wherein a water tank liquid level detector is arranged inside the water tank body and electrically connected to the control valve of the external liquid supply device, so that the water tank liquid level detector can control the control valve of the external liquid supply device to open or close according to the liquid level of the liquid on the water tank body.

6. The sweeping robot according to claim 2, wherein a liquid level detector is arranged inside the water collection box, and after the liquid level detector is electrically connected with the pressure source, the liquid level detector can control the pressure source to be turned on or off according to the liquid level height of liquid on the water collection box.

7. The sweeping robot of claim 6, wherein the liquid level detector comprises:

8. The sweeping robot according to claim 1, wherein a movable member is disposed on the drain hole, so that the movable member can move on the drain hole along with the movement of the sweeper body, and is used for controlling the water collection box to drain water to the cleaning assembly.

9. The sweeping robot of claim 1, wherein the cleaning assembly comprises a bracket arranged at the bottom of the sweeper body and the cleaning cloth arranged on the bracket, and the bracket is detachably connected with the sweeper body.

10. A maintenance station, comprising:

the charging assembly is used for charging the sweeper;