CN220325726U - Liquid tank module and base station - Google Patents

Abstract

The utility model discloses a liquid tank module and a base station. The liquid tank module comprises a liquid tank, a liquid supply assembly, a liquid discharge assembly and an electrode structure, wherein the liquid tank is provided with a first liquid cavity and a second liquid cavity which are spaced. The liquid supply assembly is arranged in the liquid tank, the input end of the liquid supply assembly is used for being communicated with a liquid supply source, and the output end of the liquid supply assembly is used for being communicated with the first liquid cavity to supply liquid. The liquid draining assembly is arranged in the liquid tank, the input end of the liquid draining assembly is used for being communicated with the second liquid cavity, and the output end of the liquid draining assembly is used for draining liquid in the second liquid cavity. The electrode structure is arranged in the liquid tank and is electrically connected with the liquid supply assembly and the liquid discharge assembly, and the electrode structure is used for butting the external structure to supply power for the liquid supply assembly and the liquid discharge assembly. When the liquid tank module is applied to a base station, the liquid tank module can be used as an independent functional module of the base station, can automatically work by only being in butt joint with a main body of the base station, adopts integrated and modularized design, simplifies the structure on the basis of maintaining the original functions, reduces the cost and is convenient to install.

Description

Liquid tank module and base station

Technical Field

The utility model belongs to the technical field of cleaning equipment, and particularly relates to a liquid tank module and a base station.

Background

The base station is typically provided with a sewage tank for supplying clean water and a clean water tank for collecting sewage. In order to further improve the intelligent degree and facilitate users, on the basis of the functions of charging and cleaning the cleaning elements (mop cloth, rag or roller) of the cleaning robot or the functions of supplementing water and discharging sewage for the cleaning robot, the base station is further provided with an automatic water supplementing function and an automatic sewage discharging function, wherein the automatic water supplementing function is that the base station is communicated with tap water and automatically supplements clean water according to the water level in the clean water tank, and the automatic sewage discharging function is that the base station is communicated with a sewer and automatically discharges sewage according to the water level in the sewage tank. However, the above base station integrates various functions, which results in complex structure, complicated installation and high manufacturing cost.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is that the base station integrating multiple functions has complex structure, complex installation and higher manufacturing cost.

In order to solve the above technical problems, the present utility model provides a liquid tank module, including:

the liquid tank is provided with a first liquid cavity and a second liquid cavity which are spaced;

the liquid supply assembly is arranged in the liquid tank, the input end of the liquid supply assembly is used for being communicated with a liquid supply source, and the output end of the liquid supply assembly is used for being communicated with the first liquid cavity to supply liquid;

The liquid draining assembly is arranged in the liquid tank, the input end of the liquid draining assembly is used for being communicated with the second liquid cavity, and the output end of the liquid draining assembly is used for draining liquid in the second liquid cavity; and

the electrode structure is arranged on the liquid tank, is electrically connected with the liquid supply assembly and the liquid discharge assembly, and is used for butting an external structure to supply power for the liquid supply assembly and the liquid discharge assembly.

Optionally, the liquid tank module, the electrode structure has at least one pair of electrode contacts, all of which are telescopically arranged relative to the outer surface of the liquid tank and are used for butting the external structure.

Optionally, the liquid tank module, the electrode structure includes:

the mounting seat is arranged on the liquid tank;

the telescopic piece is movably arranged on the mounting seat and can be telescopic relative to the outer surface of the liquid tank;

the elastic piece is abutted between the mounting seat and the telescopic piece; and

and the electrode parts are arranged on one telescopic part, and part of the electrode parts are exposed out of the outer surface of the telescopic part, so that a pair of electrode contacts are formed.

Optionally, the liquid tank module, the extension piece and the electrode piece thereon are integrally formed.

Optionally, the liquid tank module is provided with a liquid supply channel, one end of the liquid supply channel is arranged in the first liquid cavity and is communicated with the first liquid cavity, and the other end of the liquid supply channel is communicated with the output end of the liquid supply assembly; the liquid tank module further comprises a first ball float valve, wherein the first ball float valve is arranged at one end of the liquid supply flow channel and is positioned in the first liquid cavity.

Optionally, the liquid tank module, the liquid tank still be equipped with the overflow mouth, the overflow mouth intercommunication first liquid chamber, and for the chamber bottom in first liquid chamber is higher than or the parallel and level is in the one end of liquid supply runner.

Optionally, the liquid tank module is provided with a suction hole and a liquid suction hole, the suction hole and the liquid suction hole are both communicated with the second liquid cavity, the suction hole is used for communicating an external negative pressure source, and the liquid suction hole is used for sucking external liquid into the second liquid cavity through negative pressure; the liquid tank module further comprises a second ball float valve and an induction piece, wherein the second ball float valve is arranged at the inner end of the liquid suction hole, and the induction piece is arranged on a floating ball of the second ball float valve and is used for detecting the liquid level in the second liquid cavity in cooperation with an external sensor.

Optionally, the liquid tank module is provided with a first liquid draining flow passage and a second liquid draining flow passage; one end of the first liquid draining flow passage is arranged at the bottom of the second liquid cavity and communicated with the second liquid cavity, and the other end of the first liquid draining flow passage is communicated with the input end of the liquid draining assembly; one end of the second liquid draining flow passage is communicated with the output end of the liquid draining assembly, and the other end of the second liquid draining flow passage passes through the inside of the second liquid cavity and extends out of the side wall of the second liquid cavity to form a liquid draining port.

Optionally, the liquid tank module is further provided with an overflow port, and the overflow port is communicated with the first liquid cavity and is used for overflowing the liquid exceeding the preset liquid level in the first liquid cavity; the liquid tank module further comprises a liquid drain pipe set, an overflow pipe set and a confluence pipe set, wherein the liquid drain pipe set is communicated with the liquid drain port, the overflow pipe set is communicated with the overflow port, and the confluence pipe set is respectively communicated with the liquid drain pipe set and the overflow pipe set.

Optionally, at least one of the drain pipe group and the overflow pipe group includes a liquid valve for preventing reverse flow.

Optionally, the liquid tank module is further provided with a liquid inlet, and the liquid inlet is used for communicating the liquid supply source; the overflow port, the liquid inlet and the liquid outlet are arranged side by side and extend out of the same outer side face of the liquid tank.

Optionally, the liquid tank module is further provided with a cleaning agent cavity, and the cleaning agent cavity is respectively arranged at intervals with the first liquid cavity and the second liquid cavity; the liquid tank module further comprises a liquid pumping assembly, the liquid pumping assembly is arranged on the liquid tank and is electrically connected with the electrode structure, the input end of the liquid pumping assembly is used for being communicated with the cleaning agent cavity, and the output end of the liquid pumping assembly is used for being communicated with the first liquid cavity.

Optionally, the liquid tank module is characterized in that the electrode structure is provided with at least one pair of electrode contacts, wherein one pair of electrode contacts is electrically connected with the liquid supply assembly, the other pair of electrode contacts is electrically connected with the liquid discharge assembly, and all the electrode contacts are used for butt joint with the external structure.

The utility model also provides a base station, which comprises a main body and the liquid tank module, wherein the main body is provided with a butt joint structure, and the electrode structure of the liquid tank module is electrically connected with the butt joint structure.

Optionally, the base station has a normal operation mode and an automatic water supply and drainage operation mode; the base station further includes: the controller is electrically connected with the docking structure; after detecting that the electrode structure and the butt joint structure are conducted, the controller is used for controlling the base station to switch from the common working mode to the automatic water feeding and discharging mode, so that the liquid supply assembly supplies liquid into the first liquid cavity, and the liquid discharge assembly discharges liquid in the second liquid cavity.

Optionally, the base station, the electrode structure includes a first pair of electrodes and a second pair of electrodes, the first pair of electrodes is electrically connected to the liquid supply assembly, and the second pair of electrodes is electrically connected to the liquid discharge assembly; the butt joint structure comprises a first pair of conductors and a second pair of conductors, wherein the first pair of conductors are electrically connected with the first pair of electrodes, and the second pair of conductors are electrically connected with the second pair of electrodes.

Optionally, the base station further includes:

the communication module is used for communicating with the mobile terminal;

the controller is electrically connected with the communication module, the first pair of conductors and the second pair of conductors respectively, and is used for controlling the operation of the liquid supply assembly and/or the liquid discharge assembly according to the instruction of the mobile terminal received by the communication module.

The technical scheme provided by the utility model has the following advantages:

by arranging the electrode structure, the electrode structure is respectively and electrically connected with the liquid supply assembly and the liquid discharge assembly, and when the electrode structure is electrified, the electrode structure can supply power to the liquid supply assembly and the liquid discharge assembly, so that the liquid tank module works as an independent module, and the modularized design is realized; in addition, the liquid tank integrates the first liquid cavity and the second liquid cavity, and the liquid supply component and the liquid discharge component are correspondingly arranged in the liquid tank, so that the integrated design is realized. When being applied to the basic station, the first liquid chamber of liquid case is equivalent to the clear water tank, and the second liquid chamber is equivalent to the sewage case, and this electrode structure of main part butt joint of basic station, and for liquid supply subassembly, flowing back subassembly power supply, liquid supply subassembly can be supplied with liquid to first liquid intracavity automatically and realize automatic moisturizing function, and the flowing back subassembly can be automatic to discharge the liquid in the second liquid chamber and realize automatic blowdown function. Therefore, the liquid tank module can be used as an independent functional module of the base station, can automatically work only by being in butt joint with the main body of the base station, adopts integrated and modularized design, simplifies the structure on the basis of maintaining the original functions, reduces the cost and is convenient to install.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a first embodiment of a liquid tank module provided in embodiment 1 of the present utility model;

FIG. 2 is a schematic view of the liquid tank module of FIG. 1 with the top cover hidden from the module body;

FIG. 3 is a partially exploded view of the module body of the fluid tank module of FIG. 1;

FIG. 4 is a schematic view of an electrode structure of the liquid tank module in FIG. 1;

FIG. 5 is an exploded view of the electrode structure of FIG. 4;

FIG. 6 is a top view of the module body of FIG. 2;

FIG. 7 is a top view of the tank body of the liquid tank of the module body of FIG. 6;

FIG. 8 is a bottom view of the tank body of the liquid tank of the module body of FIG. 2;

FIG. 9 is a schematic view of the fluid supply assembly of the module body of FIG. 3;

FIG. 10 is a schematic view of the liquid outlet assembly of the module body of FIG. 6;

FIG. 11 is a schematic view of a drain assembly of the module body of FIG. 3;

FIG. 12 is a schematic view of a tube assembly of the fluid tank module of FIG. 1;

FIG. 13 is a top view of the tank and pump assembly of the second embodiment of the fluid tank module provided in example 1 of the present utility model;

FIG. 14 is a bottom view of the tank and pump assembly of the second embodiment of the fluid tank module provided in example 1 of the present utility model;

fig. 15 is a block diagram of an embodiment of a base station according to embodiment 2 of the present utility model.

Reference numerals illustrate:

100-a liquid tank module; 200-module body; 210-a liquid tank; 210a first liquid chamber; 210 b-a second liquid chamber; 210 c-a cleaner chamber; 211-a bottom cover; 212-a box body; 213-top cap; 214-a liquid supply channel; 215-overflow port; 215 a-overflow channel; 216-liquid inlet flow channel; 216 a-a liquid inlet; 217-pumping holes; 218, a liquid suction hole; 219 a-a first drain flow path; 219 b-a second drain flow path; 219 c-a liquid drain; 220-a liquid supply assembly; 222-a first communication member; 224-solenoid valve; 226-a second communication; 230-a drain assembly; 232-a third communication; 234-a first liquid pump; 236-fourth communication; 240-electrode structure; 241-electrode contacts; 242-mounting base; 242 a-mounting slots; 242 b-limit catch; 242 c-a guide opening; 243-telescoping pieces; 243 a-limit boss; 243 b-guide ribs; 244-an elastic member; 245-electrode part; 245 a-electrode cap; 245 b-a connecting arm; 246-a first pair of electrodes; 247-a second pair of electrodes; 250-a first float valve; 260-a second float valve; 270-a liquid outlet component; 270 a-a liquid outlet hole; 272-a filter assembly; 274-a sterilization assembly; 276-outlet pipe; 280-a pump assembly; 280 a-a first porthole; 280 b-a second tunnel; 282-fifth communication member; 284-a second liquid pump; 286-sixth communication; 300-a tube assembly; 310-drain pipe group; 320-overflow pipe group; 330-a busbar group; 332-tee joint; 340-a liquid valve; 350-a liquid supply tube group; 352-three-way angle valve; 354-a liquid supply pipe body; 356-pressure relief valve; 358-liquid supply adapter; 400-base station; 500-main body; 510-docking structure; 512-a first pair of conductors; 514-a second pair of conductors; 520-controller; 530-hall sensor; 540-a communication module.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. The utility model will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.

Example 1

The present embodiment provides a liquid tank module, as shown in fig. 1, in a first embodiment, the liquid tank module 100 includes a module body 200 and a tube assembly 300, where the module body 200 communicates with the tube assembly 300 and performs internal and external liquid exchange through the tube assembly 300. Wherein a portion of the tube assembly 300 is used to input liquid to provide liquid to the module body 200. Another portion of the tube assembly 300 is used to output the liquid and drain the liquid from the module body 200.

Referring to fig. 2 and 3, fig. 2 is a schematic view showing a structure of the module body of the liquid tank module after the top cover is hidden, and fig. 3 is a partially exploded view of the module body of the liquid tank module in this embodiment, where the module body 200 includes a liquid tank 210, a liquid supply assembly 220, a liquid discharge assembly 230 and an electrode structure 240. The tank 210 has first and second spaced apart fluid chambers 210a, 210b. The liquid supply assembly 220 is disposed in the liquid tank 210, an input end of the liquid supply assembly 220 is used for being connected to a liquid supply source, and an output end of the liquid supply assembly 220 is used for being connected to the first liquid chamber 210a to supply liquid, wherein the liquid supply source can be tap water or other liquid sources, such as cleaning liquid source formed by mixing clean water with a cleaning solvent, and the liquid supply source can be directly or indirectly connected to the input end of the liquid supply assembly 220 through a part of the pipe body assembly 300. The liquid draining assembly 230 is disposed in the liquid tank 210, an input end of the liquid draining assembly 230 is used for communicating with the second liquid cavity 210b, and an output end of the liquid draining assembly 230 is used for draining liquid in the second liquid cavity 210b, wherein the output end of the liquid draining assembly 230 can directly or indirectly communicate with a part of the pipe body assembly 300, so as to drain the liquid in the second liquid cavity 210b to a floor drain or a sewer. The electrode structure 240 is disposed on the liquid tank 210 and electrically connected to the liquid supply assembly 220 and the liquid discharge assembly 230, and the electrode structure 240 is configured to interface with an external structure to supply power to the liquid supply assembly 220 and the liquid discharge assembly 230.

By arranging the electrode structure 240, the electrode structure 240 is electrically connected with the liquid supply assembly 220 and the liquid discharge assembly 230 respectively, and when the electrode structure 240 is electrified, the electrode structure can supply power to the liquid supply assembly 220 and the liquid discharge assembly 230, so that the liquid tank module 100 works as an independent module, and the modularized design is realized; in addition, the liquid tank 210 integrates the first liquid chamber 210a and the second liquid chamber 210b, and the liquid supply assembly 220 and the liquid discharge assembly 230 are correspondingly arranged on the liquid tank 210, so that an integrated design is realized. When the liquid tank is applied to a base station, the first liquid cavity 210a of the liquid tank 210 corresponds to a clean water tank, the second liquid cavity 210b corresponds to a sewage tank, the main body of the base station is in butt joint with the electrode structure 240 to supply power to the liquid supply assembly 220 and the liquid discharge assembly 230, the liquid supply assembly 220 can automatically supply liquid into the first liquid cavity 210a to realize an automatic water supplementing function, and the liquid discharge assembly 230 can automatically discharge liquid in the second liquid cavity 210b to realize an automatic sewage draining function. Therefore, the liquid tank module 100 can be used as an independent functional module of the base station, can automatically work by only being in butt joint with the main body of the base station, adopts integrated and modularized design, simplifies the structure, reduces the cost and is convenient to install.

It will be appreciated that the liquid stored in the first liquid chamber 210a includes, but is not limited to, clear water, cleaning liquid, and other cleaning liquids used to replenish the liquid in the cleaning tank of the cleaning robot or to clean the cleaning elements of the cleaning robot resting on the base station. The second liquid chamber 210b is mainly used for collecting sewage in a sewage tank in the cleaning robot or sewage generated after the cleaning member is cleaned by the base station.

In the present embodiment, the liquid tank 210 includes a bottom cover 211, a tank 212, and a top cover 213, the tank 212 is provided on the bottom cover 211, and the top cover 213 is provided on the tank 212. The first fluid chamber 210a and the second fluid chamber 210b are disposed in the housing 212. The bottom cover 211 is provided with a receiving groove (not shown), the electrode structure 240 is disposed in the receiving groove, the liquid supply assembly 220 and the liquid discharge assembly 230 are disposed at the bottom of the case 212 and between the bottom cover 211 and the case 212, that is, the liquid supply assembly 220, the liquid discharge assembly 230 and the electrode structure 240 are all mounted inside the liquid tank 210. Because the liquid supply assembly 220 and the liquid discharge assembly 230 are arranged at the bottom of the liquid tank 210, the gravity center balance of the module main body 200 is maintained, and the phenomenon of toppling caused by unbalanced gravity center after liquid filling of the liquid cavity is avoided; moreover, this arrangement may reduce vibration of liquid supply assembly 220 and liquid discharge assembly 230 during operation, thereby reducing operating noise. It should be noted that in other embodiments, the liquid supply assembly 220 and/or the liquid discharge assembly 230 may be disposed at other locations inside the liquid tank 210, such as the top cover 213; or may be located outside of the fluid tank 210, such as on an outside surface of the fluid tank 210 or at another suitable location.

Referring to fig. 4 and 5, fig. 4 is a schematic structural view of an electrode structure of the liquid tank module according to the present embodiment, fig. 5 is an exploded view of the electrode structure of fig. 4, and the electrode structure 240 has at least one pair of electrode contacts 241, all of which electrode contacts 241 are telescopically arranged with respect to an outer surface of the liquid tank 210 and are used for abutting against an external structure. Because the electrode contact 241 is telescopically arranged, rigid contact can be avoided during butt joint, the service life of the electrode structure 240 is influenced, and meanwhile, the stability of connection can be improved. It should be noted that the "contact" refers to an interface or contact surface between two conductors through which a current can pass, and does not refer to a point on a geometric plane, and the shape thereof is not limited to a boss-like shape, a convex strip-like shape, a bump-like shape, or a sheet-like shape.

In this embodiment, the electrode structure 240 has two pairs of electrode contacts 241, wherein one pair of electrode contacts 241 is electrically connected to the liquid supply assembly 220, the other pair of electrode contacts 241 is electrically connected to the liquid discharge assembly 230, and all the electrode contacts 241 are abutted to the external structure. By providing two pairs of electrode contacts 241, the liquid supply assembly 220 and the liquid discharge assembly 230 are respectively powered, and the liquid supply assembly 220 and the liquid discharge assembly 230 are respectively controlled to work so as to respectively and independently execute or simultaneously execute an automatic water supplementing function and an automatic sewage discharging function. It will be appreciated that in other embodiments, electrode structure 240 may have only a pair of electrode contacts 241, while simultaneously powering liquid supply assembly 220, liquid discharge assembly 230, and thereby simultaneously controlling the operation of liquid supply assembly 220 and liquid discharge assembly 230; alternatively, the liquid tank module 100 further includes a control board, and the control board is electrically connected to the electrode structure 240 and is electrically connected to the liquid supply assembly 220 and the liquid discharge assembly 230, respectively, so as to control the liquid supply assembly 220 and the liquid discharge assembly 230, respectively. The electrode structure 240 may further have more than three pairs of electrode contacts 241 to satisfy the power supply of the newly added functional module, and independently control the newly added functional module.

In the present embodiment, the electrode structure 240 includes a mount 242, a telescopic member 243, an elastic member 244, and an electrode member 245. The mounting base 242 is disposed in the liquid tank 210, that is, the mounting base 242 is accommodated in the accommodating groove of the bottom cover 211 of the liquid tank 210. The telescopic member 243 is movably disposed on the mounting base 242 and is telescopically disposed with respect to the outer surface of the liquid tank 210, i.e., the telescopic member 243 is exposed to the outer side surface of the bottom cover 211 for telescopic movement, as shown in fig. 1. The elastic member 244 abuts between the mount 242 and the telescopic member 243. Two electrode members 245 are disposed on a telescopic member 243, and partially expose the outer surface of the telescopic member 243 to form a pair of electrode contacts 241. The electrode piece 245 is driven to stretch and retract through the stretching movement of the stretching piece 243, so that stretching of the electrode contact 241 is achieved, a telescopic electrode piece is not required to be arranged, the structure is simplified, and stability and reliability of stretching movement are improved. It will be appreciated that in other embodiments, the telescoping movement of the electrode contact 241 may be achieved by elastic deformation of other shapes of electrode members or by direct engagement of the elastic member 244 with the electrode member 245.

In the present embodiment, two telescopic members 243 are arranged in parallel on the mounting base 242, wherein one telescopic member 243 is provided with a pair of electrode contacts 241, so as to form two pairs of electrode contacts 241 of the electrode structure 240. It should be noted that the number of the telescopic members 243 is not limited to two, and is specifically determined according to the logarithm of the electrode contacts 241, and in other embodiments, the number of the telescopic members 243 may be one or more than three.

Further, the mounting base 242 is provided with two mounting grooves 242a spaced apart, and one telescopic member 243 is mounted to one mounting groove 242a. The side wall of the mounting groove 242a is provided with a limit buckle 242b, the side surface of the telescopic member 243 is provided with a limit boss 243a, the limit buckle 242b is in snap fit with the limit boss 243a, and the extending stroke of the telescopic member 243 is limited, so as to prevent the telescopic member 243 from being separated from the mounting groove 242a under the action of the elastic member 244. The side wall of the mounting groove 242a is further provided with a guide opening 242c, the side surface of the telescopic member 243 is further provided with a guide convex strip 243b, the guide convex strip 243b is matched with the guide opening 242c, and the telescopic movement of the telescopic member 243 in the mounting groove 242a is guided.

Further, the telescopic member 243 and the electrode member 245 thereon are integrally formed, so that the structure is simplified, the assembly of parts is reduced, the stability of the electrode member 245 is improved, and the electrode member 245 is prevented from loosening or falling off due to telescopic movement, thereby causing poor contact. In other embodiments, electrode member 245 may be secured to telescoping member 243 by a tight fit or by means of a screw lock.

Further, the electrode member 245 includes an electrode cap 245a and two connecting arms 245b, the electrode cap 245a is sleeved on the protruding structure of the outer side surface of the telescopic member 243, and the electrode contact 241 is formed on the top surface of the electrode cap 245 a. Two connecting arms 245b are disposed opposite to each other and provided at the cap edge of the electrode cap 245a, and two connecting arms 245b are inserted into the telescopic member 243 to connect the telescopic member 243, wherein one longer connecting arm 245b is used for connecting a wire.

Referring to fig. 6 to 8, fig. 6 is a top view showing a module body of the liquid tank module in this embodiment after a top cover is hidden, fig. 7 is a top view showing a tank body of the liquid tank of the module body in fig. 6, fig. 8 is a bottom view showing a tank body of the liquid tank module in this embodiment, the liquid tank 210 is provided with a liquid supply channel 214, one end of the liquid supply channel 214 is disposed in the first liquid cavity 210a and is communicated with the first liquid cavity 210a, and the other end of the liquid supply channel 214 is communicated with an output end of the liquid supply assembly 220. The module body 200 further includes a first ball float valve 250, where the first ball float valve 250 is disposed at one end of the fluid supply channel 214 and is located in the first fluid chamber 210 a. When the liquid level in the first liquid chamber 210a is flush with one end of the liquid supply channel 214, the floating ball of the first ball float valve 250 floats upwards, and cuts off the liquid supply channel 214, so that the liquid cannot be continuously supplied into the first liquid chamber 210 a; when the liquid level in the first liquid chamber 210a drops below one end of the liquid supply channel 214, the floating ball of the first ball float valve 250 moves downward to open the liquid supply channel 214, so that liquid can be continuously supplied into the first liquid chamber 210 a. Therefore, the first float valve 250 can automatically turn on or off the fluid supply channel 214 by utilizing the change of the fluid level to control the highest fluid level in the first fluid chamber 210a, so as to prevent the first fluid chamber 210a from being full of water, and no sensor is required to detect the fluid level in the first fluid chamber 210 a.

Referring to fig. 3, in the present embodiment, a portion of the liquid supply channel 214 is located inside the first liquid chamber 210a, and a portion is located outside the first liquid chamber 210a, and has an inner end and an outer end. The inner end of which is communicated with the first liquid cavity 210a, and the outer end of which is communicated with the output end of the liquid supply assembly 220. It is understood that in other embodiments, the fluid supply channel 214 may be integrally disposed within the first fluid chamber 210a, and the output end of the fluid supply assembly 220 may be inserted into the first fluid chamber 210a and communicate with the fluid supply channel 214.

The tank 210 is further provided with an overflow port 215, and the overflow port 215 communicates with the first liquid chamber 210a and is higher than or flush with one end (inner end) of the liquid supply passage 214 with respect to the bottom of the first liquid chamber 210a. The overflow port 215 can overflow liquid when the liquid level is higher than the preset liquid level due to the failure of the first float valve 250, so that the condition that the first liquid cavity 210a overflows is avoided.

Specifically, the liquid tank 210 is provided with an overflow passage 215a, the overflow port 215 is provided at one end of the overflow passage 215a, and the other end of the overflow passage 215a communicates with the first liquid chamber 210a. The overflow 215 extends out of the side wall of the housing 212 to facilitate communication with the tube assembly 300.

In this embodiment, the liquid tank 210 is further provided with a liquid inlet channel 216, at least a portion of the liquid inlet channel 216 is disposed in the first liquid chamber 210a, one end of the liquid inlet channel 216 extends out of the side wall of the tank 212 to form a liquid inlet 216a, and the liquid inlet 216a is convenient for communicating with the pipe assembly 300 to conduct a liquid supply. The other end of which extends from the bottom of the first fluid chamber 210a and communicates with the input end of the fluid supply assembly 220. It will be appreciated that in other embodiments, the inlet flow passage 216 may be replaced by the tube assembly 300, i.e., the tube assembly 300 may be in direct communication with the inlet of the fluid supply assembly 220 without passing through the interior of the first fluid chamber 210a.

Further, the liquid inlet channel 216 is formed by connecting a plurality of channels, wherein a part of the channels are formed by integrally forming with the case 212, and a part of the channels are formed by connecting pipes.

The liquid tank 210 is further provided with a pumping hole 217 and a pumping hole 218, and the pumping hole 217 and the pumping hole 218 are communicated with the second liquid cavity 210b. The air suction hole 217 is used for communicating with an external negative pressure source, and vacuuming the second liquid chamber 210b. The liquid suction hole 218 is used to suck the external liquid into the second liquid chamber 210b by the negative pressure, i.e., suck the sewage in the sewage tank or the sewage generated by washing the cleaning member into the second liquid chamber 210b by the negative pressure. The liquid tank module 100 further includes a second ball float valve 260 and a sensing member (not shown), wherein the second ball float valve 260 is disposed at an inner end of the liquid suction hole 218, and the sensing member is disposed at a floating ball of the second ball float valve 260 and is used for detecting a liquid level in the second liquid chamber 210b in cooperation with an external sensor. The floating ball of the second ball float valve 260 can float up and down along with the change of the liquid level, and the liquid level detection is realized by the combination of the sensing piece on the floating ball and an external sensor, so that the detection structure is simplified, a corresponding circuit is not required to be arranged in the liquid tank module 100, and the circuit design of the liquid tank module 100 is simplified.

In this embodiment, the sensing element is made of a magnet or iron, and the sensor is a hall sensor, which is provided in the main body of the base station and is provided corresponding to the sensing element.

In the present embodiment, the tank 210 is further provided with a first liquid discharge flow path 219a and a second liquid discharge flow path 219b. One end of the first liquid draining flow passage 219a is arranged at the bottom of the second liquid cavity 210b and is communicated with the second liquid cavity 210b, and the other end of the first liquid draining flow passage is communicated with the input end of the liquid draining assembly 230. One end of the second liquid drain flow passage 219b is communicated with the output end of the liquid drain assembly 230, and the other end passes through the inside of the second liquid cavity 210b and extends out of the side wall of the second liquid cavity 210b to form a liquid drain port 219c. When the liquid discharge assembly 230 is in operation, the sewage in the second liquid cavity 210b enters the first liquid discharge flow passage 219a, passes through the liquid discharge assembly 230, enters the second liquid discharge flow passage 219b, and finally is discharged from the liquid discharge port 219c. Since the drain port 219c is provided to extend out of the side wall of the second fluid chamber 210b, it is convenient to connect the tube assembly 300 between the drain port 219c and the drain/floor drain. It will be appreciated that in other embodiments, the second drain flow passage 219b may be replaced by the tube assembly 300, i.e., the tube assembly 300 may directly communicate the output of the drain assembly 230 with the sewer/floor drain without passing through the interior of the second liquid chamber 210 b.

In this embodiment, the overflow port 215, the liquid inlet 216a and the liquid outlet 219c are arranged side by side and extend out of the same outer side of the liquid tank 210, so that a user can conveniently connect different parts of the pipe assembly 300 to different liquid inlets. Specifically, the liquid inlet 216a is located between the overflow port 215 and the liquid outlet 219c, wherein the liquid inlet 216a and the overflow port 215 are disposed to extend out of the side wall of the first liquid chamber 210 a.

Referring to fig. 9, fig. 9 is a schematic structural diagram of a liquid supply assembly of a module body of the liquid tank module in this embodiment, wherein the liquid supply assembly 220 includes a first communicating member 222, an electromagnetic valve 224 and a second communicating member 226, the first communicating member 222 communicates with the other end of the liquid inlet channel 216 and the input end of the electromagnetic valve 224, the electromagnetic valve 224 is electrically connected to a pair of electrode members 245 of the electrode structure 240, and the second communicating member 226 communicates with the output end of the electromagnetic valve 224 and the outer end of the liquid supply channel 214, respectively.

Wherein, the electromagnetic valve 224 is normally closed and is used for controlling the on-off of the water source. The first communication member 222 and the second communication member 226 are both adapters.

Referring to fig. 10, fig. 10 is a schematic structural diagram of a liquid outlet assembly of the liquid tank module in the present embodiment, and the liquid tank module 100 further includes a liquid outlet assembly 270, where the liquid outlet assembly 270 is disposed in the first liquid chamber 210 a. The liquid tank 210 is further provided with a liquid outlet 270a, and the liquid outlet 270a is communicated with the output end of the liquid outlet assembly 270. The liquid in the first liquid chamber 210a is sequentially pumped out through the liquid outlet assembly 270 and the liquid outlet hole 270a to supply the clean water tank in the cleaning robot with water or to supply the cleaning member for cleaning the base station. The tapping assembly 270 includes a filter assembly 272, a sterilizing assembly 274, and a tapping pipe 276 in series, with the filter assembly 272 being located near or at the bottom of the first tapping chamber 210a to form the input of the tapping assembly 270. The disinfection and sterilization assembly 274 is used to kill the filtered liquid. The liquid outlet pipe 276 communicates with the liquid outlet hole 270a, and outputs the liquid after the sterilization. Wherein the disinfecting and sterilizing element 274 is a silver ion element.

Referring to fig. 11, fig. 11 is a schematic structural diagram of a liquid discharging assembly of a liquid tank module in this embodiment, and fig. 11 shows a liquid discharging assembly of the liquid tank module, and the liquid discharging assembly 230 includes a third communicating member 232, a first liquid pump 234 and a fourth communicating member 236, wherein the third communicating member 232 communicates with the other end of the first liquid discharging flow channel 219a and the input end of the first liquid pump 234, the first liquid pump 234 is electrically connected to another pair of electrode members 245 of the electrode structure 240, and the fourth communicating member 236 communicates with the output end of the first liquid pump 234 and one end of the second liquid discharging flow channel 219b respectively.

Wherein the first liquid pump 234 is a sewage pump for controlling the discharge of sewage. The third communication member 232 is an adapter. The fourth connecting member 236 is a connecting tube.

Referring to fig. 12, fig. 12 shows a schematic configuration of a tube assembly of the tank module in the present embodiment, the tube assembly 300 includes a drain tube group 310, an overflow tube group 320, and a confluence tube group 330, the drain tube group 310 communicates with a drain port 219c, the overflow tube group 320 communicates with an overflow port 215, and the confluence tube group 330 communicates with the drain tube group 310 and the overflow tube group 320, respectively. The clear water flowing out of overflow pipe group 320 can wash confluence pipe group 330 after flowing through the sewage.

Further, at least one of drain tube group 310 and overflow tube group 320 includes a liquid valve 340, liquid valve 340 for preventing reverse flow, and preventing reverse flow of sewage. Wherein the liquid valve 340 of the drain tube group 310 is a duckbill valve assembly, preventing the backflow or leakage of sewage in the sewer/floor drain when the second chamber is pumped under negative pressure. The liquid valve 340 of the overflow pipe group 320 is a check valve, preventing the sewage from flowing back into the first liquid chamber 210a when the first liquid pump 234 discharges the sewage. The confluence pipe group 330 includes a three-way pipe group 332, a first end of the three-way pipe group 332 communicates with the overflow pipe group 320, a second end communicates with the drain pipe group 310, and a third end communicates with a drain/floor drain.

The tube assembly 300 further includes a fluid supply tube assembly 350, one end of the fluid supply tube assembly 350 being in communication with the fluid inlet 216a and the other end being in communication with a fluid supply.

Wherein, the liquid supply pipe set 350 includes a three-way angle valve 352, a liquid supply pipe body 354, a pressure reducing valve 356 and a liquid supply adapter 358, and the liquid supply adapter 358 is communicated with the liquid inlet 216a. Wherein, three-way angle valve 352 is used for connecting domestic tap, and relief valve 356 can reduce tap's water pressure.

Referring to fig. 13 and 14, fig. 13 is a top view showing a tank and a pump assembly in a second embodiment of a liquid tank module according to example 1 of the present utility model, and fig. 14 is a bottom view showing a tank and a pump assembly in a second embodiment of a liquid tank module according to example 1 of the present utility model, where the liquid tank module 100 of the present embodiment is different from the liquid tank module 100 of the first embodiment as follows:

in the liquid tank module 100 of the present embodiment, the liquid tank 210 further has a cleaning agent chamber 210c, that is, the cleaning agent chamber 210c is disposed in the tank 212 and is spaced apart from the first liquid chamber 210a and the second liquid chamber 210b, respectively. The liquid tank module 100 further includes a liquid pumping assembly 280, the liquid pumping assembly 280 is disposed on the liquid tank 210, an input end of the liquid pumping assembly 280 is used for communicating with the cleaning agent cavity 210c, and an output end of the liquid pumping assembly 280 is used for communicating with the first liquid cavity 210a. The cleaning agent in the cleaning agent chamber 210c is pumped into the first liquid chamber 210a by the pumping unit 280, and is mixed with the clean water in the first liquid chamber 210a to form cleaning liquid, so that the cleaning capability of the output liquid is improved.

Further, a cleaner chamber 210c is provided in the first liquid chamber 210a. The pump assembly 280 is disposed at the bottom of the tank 212 and within the tank 210. The bottom of the cleaner chamber 210c is provided with a first duct 280a, and one end of the first duct 280a is communicated with the cleaner chamber 210c, and the other end is communicated with the input end of the pump assembly 280. The bottom of the first liquid chamber 210a is provided with a second hole 280b, one end of the second hole 280b is communicated with the output end of the liquid pumping assembly 280, and the other end is communicated with the first liquid chamber 210a.

Further, the pump assembly 280 includes a fifth communicating member 282, a second liquid pump 284, and a sixth communicating member 286, wherein the fifth communicating member 282 communicates with the other end of the first duct 280a and the input end of the second liquid pump 284, the second liquid pump 284 is electrically connected to the electrode structure 240, and the sixth communicating member 286 communicates with the output end of the second liquid pump 284 and one end of the second duct 280b, respectively. The second liquid pump 284 is a peristaltic pump, and is configured to pump the cleaning solution in the cleaning solution chamber 210c into the clean water in the first liquid chamber 210a. The fifth communication piece 282 and the sixth communication piece 286 are both tubular bodies.

In the present embodiment, the second liquid pump 284 of the liquid pumping unit 280 and the solenoid valve 224 of the liquid supplying unit 220 are electrically connected to the same pair of electrode members 245 of the electrode structure 240, so that the operation of the liquid pumping unit 280 and the liquid supplying unit 220 can be simultaneously controlled, that is, while the cleaning agent is being supplied into the first liquid chamber 210a, the cleaning water is supplied into the first liquid chamber 210a, thereby improving the mixing effect. It will be appreciated that in other embodiments, the electrode structure 240 has a pair of electrode members that are electrically connected to only the second liquid pump 284 of the pumping unit 280, and individually control the operation of the pumping unit 280.

As for other aspects of the liquid tank module 100 of the present embodiment, the other aspects of the liquid tank module 100 are substantially the same as those of the liquid tank module 100 of the first embodiment, and the specific details thereof may be referred to the description of the foregoing embodiment, which is not repeated herein.

Example 2

In one embodiment, as shown in fig. 15, the base station 400 includes a main body 500 and a liquid tank module 100, wherein the main body 500 is provided with a docking structure 510, and an electrode structure 240 of the liquid tank module 100 is electrically connected to the docking structure 510. The specific structure of the liquid tank module 100 refers to the above embodiment 1, and since the base station 400 in this embodiment adopts all the technical solutions of the above embodiment 1, the base station also has all the beneficial effects brought by the technical solutions of the above embodiment 1, which are not described in detail herein.

In this embodiment, the base station 400 has a normal operation mode and an automatic water supply and drain operation mode, wherein the automatic water supply and drain operation mode is that the liquid supply assembly 220 works to supplement liquid into the first liquid cavity 210a, so as to realize automatic water supply; the drain assembly 230 drains the liquid (sewage) in the second liquid chamber 210b to automatically drain. The normal operation mode is that the base station 400 performs at least one of these operations: the water is supplied to the cleaning tank of the base station 400, the water is filled into the clean water tank of the cleaning robot, and the sewage in the cleaning tank of the base station 400 is pumped into the second liquid chamber 210b, without including the above-mentioned working contents of automatic water supply and automatic water discharge.

The main body 500 further includes a controller 520, and the controller 520 is electrically connected to the docking structure 510. After detecting that the electrode structure 240 is connected to the docking structure 510, the controller 520 can control the base station 400 to switch from the normal operation mode to the automatic water supply and drain operation mode, that is, the base station 400 automatically switches from the normal operation mode to the automatic water supply and drain operation mode, so that the liquid supply assembly 220 supplies liquid into the first liquid chamber 210a, and the liquid drain assembly 230 drains liquid in the second liquid chamber 210 b.

It should be noted that the operation modes of the base station 400 are not limited to the above two operation modes, and the operation modes may be formed by various functional modules and combinations of functional modules, and the automatic switching between the different operation modes may be set according to practical situations.

Referring to fig. 5, in the present embodiment, a pair of electrode pieces 245 of the electrode structure 240 are a first pair of electrodes 246, and another pair of electrode pieces 245 of the electrode structure 240 are a second pair of electrodes 247, wherein the first pair of electrodes 246 are electrically connected to the liquid supply assembly 220, and the second pair of electrodes 247 are electrically connected to the liquid discharge assembly 230. The docking structure 510 includes a first pair of conductors 512 electrically connected to the first pair of electrodes 246 and a second pair of conductors 514 electrically connected to the second pair of electrodes 247. The fluid supply assembly 220 is powered by the interface between the first pair of conductors 512 and the first pair of electrodes 246, thereby controlling the operation of the fluid supply assembly 220; the operation of drain assembly 230 is controlled by the interface between second pair of conductors 514 and second pair of electrodes 247 to provide power to drain assembly 230.

In this embodiment, the controller 520 is electrically connected to the first pair of conductors 512 and the second pair of conductors 514, respectively, and the controller 520 controls the operation of the liquid supply assembly 220 and the liquid discharge assembly 230 by controlling whether the first pair of conductors 512 and the second pair of conductors 514 are electrified, so as to realize automatic water replenishment (water supply) and automatic sewage discharge (water drainage). It is understood that the controller 520 may control the operation of the liquid supply assembly 220 or the liquid discharge assembly 230 independently to perform automatic water replenishment (water supply) or automatic sewage discharge (water drain).

Further, the main body 500 further includes a hall sensor 530, the hall sensor 530 is electrically connected to the controller 520, the hall sensor 530 is matched with a sensing member in the second liquid chamber 210b, the sensing member is disposed on a floating ball of the second ball float valve 260, and then the hall sensor 530 can detect the liquid level of the sewage in the second liquid chamber 210b, when the sewage is full, the hall sensor 530 sends a detection signal to the controller 520, the controller 520 controls the second pair of conductors 514 to be electrified according to the detection signal, so as to control the liquid discharging assembly 230 to work, and drain the sewage in the second liquid chamber 210b to a sewer/floor drain. Therefore, the automatic sewage draining function of the base station 400 is more intelligent and more efficient.

In this embodiment, the pump assembly 280 is electrically connected to the first pair of electrodes 246, and the controller 520 can control the pump assembly 280 to operate through the first pair of conductors 512, i.e. the controller 520 can control the pump assembly 280 and the liquid supply assembly 220 simultaneously, and simultaneously input the clean water and the cleaning agent into the first liquid chamber 210 a. It will be appreciated that in other embodiments, the electrode structure 240 further includes a third pair of electrodes electrically connected to the pumping assembly 280; the butt joint structure also comprises a third pair of conductors, and the third pair of conductors are in butt joint with the third pair of electrodes; the controller 520 is electrically connected to the third pair of conductors, and controls whether the pumping unit 280 is powered or not through the third pair of conductors, and independently controls the pumping unit 280 to operate, i.e., the base station 400 can realize the function of automatically adding the cleaning agent.

In this embodiment, the base station 400 further includes a communication module 540, where the communication module 540 is used to communicate with the mobile terminal. The controller 520 is electrically connected to the communication module 540, and controls the operation of the liquid supply assembly 220 and/or the liquid discharge assembly 230 according to the command of the mobile terminal received by the communication module 540. By providing the communication module 540 to interact with the mobile terminal, a user can control the base station 400 to perform an automatic water replenishment function and/or an automatic sewage disposal function through the mobile terminal. The mobile terminal may be, but is not limited to, a smart phone, a tablet computer or a smart watch. In other embodiments, the controller 520 can control the operation of the pump assembly 280 independently, so that the user can control the base station 400 to perform the function of automatically adding the cleaning agent through the mobile terminal.

In this embodiment, the base station 400 further includes a third liquid pump (not shown) and a negative pressure source (not shown). The third liquid pump is communicated with the liquid outlet hole through the pipe body, pumps out the clean water or the cleaning liquid in the first liquid cavity 210a and supplies the clean water tank in the cleaning robot so as to supplement the liquid in the clean water tank. The negative pressure source is communicated with the air suction hole 217 through the pipe body, the liquid suction hole 218 is communicated with the sewage tank in the cleaning robot through the pipe body, when the negative pressure source works, air in the second liquid cavity 210b is sucked, and negative pressure is formed in the second liquid cavity 210b, and at the moment, the liquid suction hole 218 sucks sewage in the sewage tank into the second liquid cavity 210 b.

In this embodiment, the base station 400 automatically supplements water according to the following principle:

after cleaning, the cleaning robot returns to the base station 400, the third liquid pump of the base station 400 pumps the liquid 10s in the first liquid cavity 210a of the liquid tank module 100, and the clear water tank in the cleaning robot is supplemented with clear water, the controller 520 of the base station 400 controls the solenoid valve 224 of the liquid supply module 220 to be opened for 5s, clear water in the faucet sequentially flows through the three-way angle valve 352, the pressure reducing valve 356, the liquid inlet 216a, the liquid inlet channel 216, the first communicating piece 222, the solenoid valve 224 and the second communicating piece 226, and one end of the liquid supply channel 214 below the first float valve 250 overflows with clear water, so that the automatic water supplementing of the first liquid cavity 210a of the liquid tank module 100 is realized.

In this embodiment, the operating principle of the base station 400 for automatic sewage disposal is as follows:

the cleaning robot returns to the base station 400 after cleaning, the negative pressure source (air pump) of the base station 400 pumps out air in the second liquid cavity 210b of the liquid tank module 100 until negative pressure is formed in the cavity, sewage in the sewage tank in the cleaning robot enters the second liquid cavity 210b, the second ball float valve 260 is triggered after the sewage is full of N cycles, the first liquid pump 234 of the liquid discharging assembly 230 is operated, the sewage in the second liquid cavity 210b is pumped out through the first liquid pump 234, and sequentially flows through the first liquid discharging flow passage 219a, the third communicating member 232, the first liquid pump 234, the fourth communicating member 236 and the second liquid discharging flow passage 219b, enters the liquid discharging pipe group 310, sequentially flows through the adapter and the duckbill valve, and finally flows into the sewer/floor drain through the pipe body.

In summary, the base station 400 has an automatic water replenishing function, an automatic detergent adding function, and an automatic sewage draining function, wherein the automatic water replenishing function and the automatic detergent adding function are simultaneously executed, and the automatic water replenishing function and the automatic sewage draining function may be simultaneously executed or independently executed. In order to better control the base station 400 to perform the above functions, the user can switch to remote control through the program of the mobile terminal to realize control of the above three functions.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. Based on the embodiments of the present utility model, those skilled in the art may make other different changes or modifications without making any creative effort, which shall fall within the protection scope of the present utility model.

Claims (17)

1. A liquid tank module, comprising:

the liquid tank is provided with a first liquid cavity and a second liquid cavity which are spaced;

the liquid supply assembly is arranged in the liquid tank, the input end of the liquid supply assembly is used for being communicated with a liquid supply source, and the output end of the liquid supply assembly is used for being communicated with the first liquid cavity to supply liquid;

the liquid draining assembly is arranged in the liquid tank, the input end of the liquid draining assembly is used for being communicated with the second liquid cavity, and the output end of the liquid draining assembly is used for draining liquid in the second liquid cavity; and

the electrode structure is arranged on the liquid tank, is electrically connected with the liquid supply assembly and the liquid discharge assembly, and is used for butting an external structure to supply power for the liquid supply assembly and the liquid discharge assembly.

2. The fluid tank module of claim 1, wherein the electrode structure has at least one pair of electrode contacts, all of which are telescopically arranged relative to an outer surface of the fluid tank and are adapted to interface with the external structure.

3. The fluid tank module of claim 2, wherein the electrode structure comprises:

the mounting seat is arranged on the liquid tank;

the telescopic piece is movably arranged on the mounting seat and can be telescopic relative to the outer surface of the liquid tank;

the elastic piece is abutted between the mounting seat and the telescopic piece; and

and the electrode parts are arranged on one telescopic part, and part of the electrode parts are exposed out of the outer surface of the telescopic part, so that a pair of electrode contacts are formed.

4. A liquid tank module according to claim 3, wherein the telescoping member and the electrode member thereon are integrally formed.

5. The liquid tank module according to any one of claims 1 to 4, wherein,

the liquid tank is provided with a liquid supply channel, one end of the liquid supply channel is arranged in the first liquid cavity and communicated with the first liquid cavity, and the other end of the liquid supply channel is communicated with the output end of the liquid supply assembly;

The liquid tank module further comprises a first ball float valve, wherein the first ball float valve is arranged at one end of the liquid supply flow channel and is positioned in the first liquid cavity.

6. The liquid tank module according to claim 5, wherein the liquid tank is further provided with an overflow port, and the overflow port is communicated with the first liquid cavity and is higher than or flush with one end of the liquid supply flow channel relative to the cavity bottom of the first liquid cavity.

7. The liquid tank module according to any one of claims 1 to 4, wherein,

the liquid tank is provided with an air suction hole and a liquid suction hole, the air suction hole and the liquid suction hole are both communicated with the second liquid cavity, the air suction hole is used for being communicated with an external negative pressure source, and the liquid suction hole is used for sucking external liquid into the second liquid cavity through negative pressure;

the liquid tank module further comprises a second ball float valve and an induction piece, wherein the second ball float valve is arranged at the inner end of the liquid suction hole, and the induction piece is arranged on a floating ball of the second ball float valve and is used for detecting the liquid level in the second liquid cavity in cooperation with an external sensor.

8. The liquid tank module according to any one of claims 1 to 4, wherein,

the liquid tank is provided with a first liquid discharge flow passage and a second liquid discharge flow passage;

One end of the first liquid draining flow passage is arranged at the bottom of the second liquid cavity and communicated with the second liquid cavity, and the other end of the first liquid draining flow passage is communicated with the input end of the liquid draining assembly;

one end of the second liquid draining flow passage is communicated with the output end of the liquid draining assembly, and the other end of the second liquid draining flow passage passes through the inside of the second liquid cavity and extends out of the side wall of the second liquid cavity to form a liquid draining port.

9. The fluid tank module as claimed in claim 8, wherein,

the liquid tank is also provided with an overflow port which is communicated with the first liquid cavity and used for overflowing liquid exceeding a preset liquid level in the first liquid cavity;

the liquid tank module further comprises a liquid drain pipe set, an overflow pipe set and a confluence pipe set, wherein the liquid drain pipe set is communicated with the liquid drain port, the overflow pipe set is communicated with the overflow port, and the confluence pipe set is respectively communicated with the liquid drain pipe set and the overflow pipe set.

10. The tank module of claim 9, wherein at least one of the drain pipe group and the overflow pipe group includes a liquid valve for preventing backflow.

11. The fluid tank module as claimed in claim 9, wherein,

the liquid tank is also provided with a liquid inlet which is used for communicating with the liquid supply source;

The overflow port, the liquid inlet and the liquid outlet are arranged side by side and extend out of the same outer side face of the liquid tank.

12. The liquid tank module according to any one of claims 1 to 4, wherein,

the liquid tank is also provided with a cleaning agent cavity which is respectively arranged at intervals with the first liquid cavity and the second liquid cavity;

the liquid tank module further comprises a liquid pumping assembly, the liquid pumping assembly is arranged on the liquid tank and is electrically connected with the electrode structure, the input end of the liquid pumping assembly is used for being communicated with the cleaning agent cavity, and the output end of the liquid pumping assembly is used for being communicated with the first liquid cavity.

13. The fluid tank module of claim 1, wherein the electrode structure has at least one pair of electrode contacts, wherein one pair of electrode contacts is electrically connected to the fluid supply assembly, the other pair of electrode contacts is electrically connected to the fluid discharge assembly, and all of the electrode contacts are configured to interface with the external structure.

14. A base station comprising a main body, wherein the main body is provided with a docking structure, the base station further comprising the liquid tank module set according to any one of claims 1 to 11, and an electrode structure of the liquid tank module set is electrically connected with the docking structure.

15. The base station of claim 14, wherein the base station,

the base station has a common working mode and an automatic water feeding and discharging working mode;

the base station further includes: the controller is electrically connected with the docking structure;

after detecting that the electrode structure and the butt joint structure are conducted, the controller is used for controlling the base station to switch from the common working mode to the automatic water feeding and discharging working mode, so that the liquid supply assembly supplies liquid into the first liquid cavity, and the liquid discharge assembly discharges the liquid in the second liquid cavity.

16. The base station of claim 14, wherein the base station,

the electrode structure comprises a first pair of electrodes and a second pair of electrodes, the first pair of electrodes are electrically connected with the liquid supply assembly, and the second pair of electrodes are electrically connected with the liquid discharge assembly;

the butt joint structure comprises a first pair of conductors and a second pair of conductors, wherein the first pair of conductors are electrically connected with the first pair of electrodes, and the second pair of conductors are electrically connected with the second pair of electrodes.

17. The base station of claim 16, further comprising:

the communication module is used for communicating with the mobile terminal;

The controller is electrically connected with the communication module, the first pair of conductors and the second pair of conductors respectively, and is used for controlling the operation of the liquid supply assembly and/or the liquid discharge assembly according to the instruction of the mobile terminal received by the communication module.