CN219895626U

CN219895626U - Water changing structure, base station and cleaning system

Info

Publication number: CN219895626U
Application number: CN202321188082.8U
Authority: CN
Inventors: 邓美明; 李建; 邓邵洪
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-10-27
Anticipated expiration: 2033-05-16

Abstract

The utility model relates to the field of cleaning robots and discloses a water changing structure, a base station and a cleaning system, wherein the water changing structure comprises a sewage suction pipeline, a sewage discharge pipeline and an air pressure regulating and controlling component, one end of the sewage suction pipeline is provided with a sewage suction inlet, the sewage suction inlet is connected with a sewage tank, and the other end of the sewage suction inlet is connected with a sewage tank; one end of the sewage pipeline is connected with the sewage tank, the other end of the sewage pipeline is communicated with the outside, the air pressure regulating and controlling component is connected with the sewage tank, the air pressure regulating and controlling component can provide positive pressure and negative pressure for the sewage tank, when sewage in the sewage tank needs to be conveyed to the sewage tank, the air pressure regulating and controlling component provides negative pressure for the sewage tank, so that negative pressure is formed in the sewage suction pipeline, and sewage in the sewage tank flows into the sewage tank through the sewage suction pipeline under the action of the negative pressure; when the sewage in the sewage tank is required to be discharged to the outside, the air pressure regulating and controlling component provides positive pressure for the sewage tank, and the sewage in the sewage tank flows out to the outside through the sewage discharge pipeline under the effect of the positive pressure, so that the full-automatic discharge of the sewage of the base station is realized.

Description

Water changing structure, base station and cleaning system

Technical Field

The utility model relates to the technical field of cleaning equipment, in particular to a water changing structure, a base station and a cleaning system.

Background

The cleaning robot, also called sweeping robot, intelligent sweeping machine, etc., is one of intelligent electric appliances, and can automatically complete floor cleaning work by means of certain artificial intelligence so as to reduce sanitary cleaning burden of users. With the development of artificial intelligence in recent years, more and more cleaning robots are equipped with a base station having a sewage tank therein for recovering sewage generated during cleaning by the cleaning robot when the cleaning robot enters the base station.

However, when the sewage tank of the base station is full, the user is required to manually pour out the sewage in the sewage tank, resulting in great maintenance workload of the base station, time and labor waste, and easy bacterial infection.

Disclosure of Invention

The embodiment of the utility model aims to provide a water changing structure, a base station and a cleaning system, so as to solve the technical problem that a base station in the prior art needs a user to manually pour sewage.

The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: provided is a water exchanging structure including:

the sewage treatment device comprises a sewage suction pipeline and a sewage discharge pipeline, wherein one end of the sewage suction pipeline is provided with a sewage suction inlet, the other end of the sewage suction pipeline can be connected with a sewage tank, one end of the sewage discharge pipeline can be connected with the sewage tank, and the other end of the sewage discharge pipeline is communicated with the outside;

a pneumatic pressure regulating assembly connectable to the sewage tank, the pneumatic pressure regulating assembly being capable of providing a negative pressure to the sewage tank to cause sewage sucked from the sewage suction inlet to flow to the sewage tank through the sewage suction line; and the air pressure regulating and controlling component can provide positive pressure for the sewage tank so that sewage in the sewage tank flows to the outside through the sewage discharge pipeline.

In some embodiments, the air pressure regulating assembly comprises:

the air pump comprises an air inlet and an air outlet;

one end of the negative pressure pipeline can be connected with the sewage tank, and the other end of the negative pressure pipeline is connected with the air inlet;

one end of the positive pressure pipeline can be connected with the sewage tank, and the other end of the positive pressure pipeline is connected with the air outlet;

the control assembly can be used for switching and controlling the on-off of the negative pressure pipeline and the positive pressure pipeline, and when the negative pressure pipeline is communicated, the air pump provides negative pressure for the sewage tank through the negative pressure pipeline; when the positive pressure pipeline is communicated, the air pump provides positive pressure for the sewage tank through the positive pressure pipeline.

In some embodiments, the control assembly includes a first control element and a second control element;

the negative pressure pipeline comprises a first connecting pipe and a second connecting pipe, the first connecting pipe can be communicated with the sewage tank, the second connecting pipe is communicated with the air inlet, and the first control element is arranged between the first connecting pipe and the second connecting pipe and used for switching and controlling the first connecting pipe to be communicated with the second connecting pipe or the second connecting pipe to be communicated with the outside;

the positive pressure pipeline comprises a third connecting pipe and a fourth connecting pipe, the third connecting pipe is communicated with the air outlet, the fourth connecting pipe can be communicated with the sewage tank, and the second control element is arranged between the third connecting pipe and the fourth connecting pipe and used for switching and controlling the third connecting pipe to be communicated with the fourth connecting pipe or the third connecting pipe to be communicated with the outside.

In some embodiments, the first control element and the second control element are each three-way solenoid valves.

In some embodiments, the control assembly further comprises a controller electrically connected to each of the first control element, the second control element, and the air pump.

In some embodiments, the sewage treatment device further comprises a first control valve and a second control valve, wherein the first control valve is arranged on the sewage suction pipeline and used for controlling one-way conduction from the sewage tank to the sewage tank, and the second control valve is arranged on the sewage discharge pipeline and used for controlling on-off of the sewage discharge pipeline.

In some embodiments, the first control valve and the second control valve are both one-way valves, the first control valve is used for controlling one-way conduction from the sewage suction inlet to the sewage tank, and the second control valve is used for controlling one-way conduction from the sewage tank to the outside.

In some embodiments, the sewage treatment device further comprises a sewage tank, wherein the sewage tank comprises a sewage return hole, a sewage discharge hole and a vent hole, the sewage suction pipeline is communicated with the sewage return hole, the sewage discharge pipeline is communicated with the sewage discharge hole, and the negative pressure pipeline and the positive pressure pipeline are communicated with the vent hole.

In some embodiments, the sewage tank comprises a tank body and a tank cover, wherein the tank cover covers the tank body;

the box includes diapire and lateral wall, the diapire encloses to be located the periphery of lateral wall, the blowdown hole set up in the diapire, return dirty hole with the air vent all set up in the lateral wall just is located the lateral wall is kept away from one side of diapire.

In some embodiments, a sump is also included, the sump being in communication with the sewage suction inlet.

The utility model also adopts the following technical scheme for solving the technical problems: the base station comprises a machine body and the water changing structure according to any embodiment, wherein the sewage tank, the sewage suction pipeline, the sewage discharge pipeline and the air pressure regulating and controlling assembly are respectively arranged on the machine body.

In some embodiments, the cleaning robot further comprises a water injection pipeline and a water suction pump, wherein one end of the water injection pipeline is a clean water suction inlet, the other end of the water injection pipeline can be communicated with a clean water tank of the cleaning robot, the water suction pump is arranged on the water injection pipeline, and clean water can be conveyed into the clean water tank through the water injection pipeline under the driving of the water suction pump.

In some embodiments, the water pump is a diaphragm pump, the base station further comprises a bypass pipeline and a bypass valve, two ends of the bypass pipeline are respectively communicated with two ends of the diaphragm pump, and the bypass valve is installed on the bypass pipeline.

In some embodiments, the cleaning device further comprises a cleaning liquid tank, a liquid injection pipeline and a liquid suction pump, wherein one end of the liquid injection pipeline is communicated with the cleaning liquid tank, the other end of the liquid injection pipeline is communicated with the liquid injection pipeline, the liquid suction pump is arranged on the liquid injection pipeline, and under the driving of the liquid suction pump, the cleaning liquid in the cleaning liquid tank enters the water injection pipeline through the liquid injection pipeline.

The utility model also adopts the following technical scheme for solving the technical problems: there is provided a cleaning system including a cleaning robot including a dirt collecting chamber and a base station as described in any of the above embodiments, the dirt tank for receiving dirt in the dirt collecting chamber.

Compared with the prior art, in the water changing structure, the base station and the cleaning system provided by the embodiment of the utility model, the air pressure regulating and controlling component can provide positive pressure and negative pressure for the sewage tank, and when sewage in the sewage tank needs to be conveyed to the sewage tank, the air pressure regulating and controlling component provides negative pressure for the sewage tank, so that the negative pressure is formed in the sewage suction pipeline, and the sewage in the sewage tank flows into the sewage tank through the sewage suction pipeline under the action of the negative pressure; when the sewage in the sewage tank is required to be discharged outside, the air pressure regulating and controlling component provides positive pressure for the sewage tank, and the sewage in the sewage tank flows out to the outside through the sewage discharge pipeline under the effect of the positive pressure, so that the full-automatic discharge of the sewage of the base station is realized, the sewage in the base station is not required to be treated manually, and the use convenience of the base station is improved.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.

FIG. 1 is a schematic perspective view of a cleaning system according to an embodiment of the present utility model;

fig. 2 is a schematic perspective view of a base station according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of an assembled structure of a sewage tank, a sewage suction pipeline, a sewage discharge pipeline and an air pressure regulating assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic view showing an exploded construction of the air pressure regulating assembly and the sewage tank according to the embodiment of the present utility model;

FIG. 5 is a schematic view of a sewage tank, a sewage suction pipeline, a sewage discharge pipeline, and an air pressure regulating assembly according to another embodiment of the present utility model;

FIG. 6 is a schematic diagram of the flow direction of sewage and the flow direction of air flow in a base station when the sewage is sucked under negative pressure, wherein the direction of the dotted line represents the flow direction of air flow, and the dotted line represents the flow direction of sewage;

FIG. 7 is a schematic diagram of the flow direction of sewage in a base station and the flow direction of air flow in the case of positive pressure sewage discharge, wherein the direction of the dotted line represents the flow direction of air flow, and the dotted line represents the flow direction of sewage;

fig. 8 is a schematic view of a sewage tank according to an embodiment of the present utility model;

FIG. 9 is a schematic diagram of the assembly structure of a water injection line, a water pump, a bypass line, a bypass valve, a cleaning fluid tank, a water injection line, and a liquid pump according to an embodiment of the present utility model;

FIG. 10 is a schematic diagram of piping connection of the water injection piping, the bypass piping, and the liquid injection piping in the embodiment of the present utility model.

Reference numerals illustrate:

100. a cleaning system; 10. a base station; 11. a body; 110. a receiving chamber; 12. a sewage tank; 13. a sewage tank; 130. a case; 131. a case cover; 132. a dirt return hole; 133. a blow-down hole; 134. a vent hole; 14. a sewage suction pipeline; 140. a sewage suction inlet; 15. a sewage discharge pipeline; 16. an air pressure regulating assembly; 160. an air pump; 1601. an air inlet; 1602. an air outlet; 161. a negative pressure pipeline; 1611. a first connection pipe; 1612. a second connection pipe; 162. a positive pressure line; 1621. a third connection pipe; 1622. a fourth connection pipe; 163. a control assembly; 1631. a first control element; 1632. a second control element; 17. a first control valve; 18. a second control valve; 190. a water injection pipeline; 1900. a clean water suction inlet; 1901. a first pipe section; 1902. a second pipe section; 191. a water pump; 1911. a water inlet; 1912. a water outlet; 192. a bypass line; 193. a bypass valve; 194. a cleaning liquid tank; 195. a liquid injection pipeline; 196. a liquid pump; 197. a third control valve; 20. a cleaning robot; 30. and (5) a water changing structure.

Detailed Description

In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "connected" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. The terms "upper," "lower," "left," "right," "upper," "lower," "top," and "bottom," and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the devices or elements 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 utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

The water exchanging structure, the base station and the cleaning system according to the embodiments of the present utility model will be described in detail with reference to fig. 1 to 10.

Referring to fig. 1 to 3, fig. 1 is a schematic structural view of a cleaning system, fig. 2 is a schematic structural view of a base station, and fig. 3 is a schematic structural view of a sewage tank, a sewage suction pipeline, a sewage discharge pipeline and an air pressure regulating assembly after being assembled.

The embodiment of the utility model provides a cleaning system 100, the cleaning system 100 comprises a base station 10 and a cleaning robot 20, the cleaning robot 20 is used for cleaning the ground, the base station 10 is used for accommodating the cleaning robot 20, and after the cleaning robot 20 enters the base station 10, the base station 10 can perform sewage treatment, rag cleaning, charging and other works on the cleaning robot 20.

The base station 10 comprises a machine body 11 and a water changing structure 30, wherein the water changing structure 30 is arranged in the base station 10, the water changing structure 30 comprises a sewage suction pipeline 14, a sewage discharge pipeline 15 and an air pressure regulating and controlling assembly 16, one end of the sewage suction pipeline 14 is provided with a sewage suction inlet 140, the sewage suction inlet 140 is communicated with a sewage tank 12, the other end of the sewage suction inlet is connected with a sewage tank 13, one end of the sewage discharge pipeline 15 is connected with the sewage tank 13, the other end of the sewage discharge pipeline 15 is communicated with the outside, the air pressure regulating and controlling assembly 16 is connected with the sewage tank 13, and the air pressure regulating and controlling assembly 16 can provide negative pressure for the sewage tank 13 so that sewage sucked from the sewage suction inlet 140 flows into the sewage tank 13 through the sewage suction pipeline 14; and, the air pressure regulating assembly 16 can provide positive pressure to the sewage tank 13 so that sewage in the sewage tank 13 flows to the outside through the sewage discharge pipe 15.

The machine body 11 is used for the cleaning robot 20 to stop, one side wall of the machine body 11 is inwards recessed to form a containing cavity 110, the containing cavity 110 is used for containing the cleaning robot 20, when the cleaning robot 20 returns to the machine body 11, the cleaning robot 20 is located in the containing cavity 110, the sewage tank 12 and the sewage tank 13 are arranged on the machine body 11, and the sewage tank 12 is located at the bottom of the containing cavity 110. The cleaning robot 20 includes a dirt collecting chamber for accommodating the sewage generated during the cleaning process of the cleaning robot 20, and when the cleaning robot 20 returns to the accommodating chamber 110 of the machine body 11, the sewage tank 12 is located below the dirt collecting chamber, and the sewage in the dirt collecting chamber can flow into the sewage tank 12 on the machine body 11.

The sewage tank 13, the sewage suction pipeline 14 and the sewage discharge pipeline 15 are respectively arranged in the machine body 11, two ends of the sewage suction pipeline 14 are respectively communicated with the sewage tank 12 and the sewage tank 13, sewage in the sewage tank 12 can flow into the sewage tank 13 through the sewage suction pipeline 14, two ends of the sewage discharge pipeline 15 are respectively communicated with the sewage tank 13 and the outside, and sewage in the sewage tank 13 can be discharged to the outside through the sewage discharge pipeline 15, so that the outside can be an external waterwheel or a sewer, namely, the sewage in the sewage tank 13 can be discharged to the waterwheel or the sewer through the sewage discharge pipeline 15.

The air pressure regulating assembly 16 is installed in the machine body 11 and is connected with the sewage tank 13, the air pressure regulating assembly 16 can provide negative pressure and positive pressure for the sewage tank 13, in the introduction, the air pressure regulating assembly 16 can pump air flow in the sewage tank 13 and form negative pressure in the sewage tank 13, and the air pressure regulating assembly 16 can also convey air flow into the sewage tank 13 and form positive pressure in the sewage tank 13.

When the sewage in the sewage tank 12 is required to be conveyed to the sewage tank 13, the air pressure regulating and controlling assembly 16 pumps air flow in the sewage tank 13, so that negative pressure is formed in the sewage tank 13, negative pressure is formed in the sewage suction pipeline 14, and the sewage in the sewage tank 12 flows into the sewage tank 13 through the sewage suction pipeline 14 under the action of the negative pressure; when the sewage in the sewage tank 13 needs to be discharged outside, the air pressure regulating and controlling assembly 16 conveys air flow for the sewage tank 13, the air pressure in the sewage tank 13 is increased to form positive pressure, and the sewage in the sewage tank 13 flows out to the outside through the sewage discharge pipeline 15 under the effect of the positive pressure, so that the full-automatic discharge of the sewage of the base station 10 is realized, the sewage in the base station 10 is not required to be treated manually, and the use convenience of the base station 10 is improved.

In some embodiments, the dirt sucking pipeline 14 and the dirt discharging pipeline 15 are hoses made of plastic or metal materials, so as to facilitate connection and assembly between the pipelines, and in addition, a channel can be directly formed in the machine body 11, and the dirt sucking pipeline 14 and the dirt discharging pipeline 15 can be formed.

In some embodiments, a filter screen is disposed in the sump 12 for filtering large particle impurities, so as to avoid pipeline blockage caused by the presence of large particle impurities in the sewage in the sump 12.

Referring to fig. 4 to 7, fig. 4 is an exploded structure diagram of the air pressure regulating assembly and the sewage tank, fig. 5 is a structure diagram of the sewage tank, the sewage suction pipeline, the sewage discharge pipeline and another angle of the air pressure regulating assembly after being assembled, fig. 6 is a flow direction of sewage in the base station and a flow direction diagram of air flow during negative pressure sewage suction, and fig. 7 is a flow direction of sewage in the base station and a flow direction diagram of air flow during positive pressure sewage discharge, wherein in fig. 6 and 7, a dotted line direction represents a flow direction of air flow, and a dash-dot line represents a flow direction of sewage.

In some embodiments, the air pressure regulating assembly 16 includes an air pump 160, a negative pressure pipeline 161, a positive pressure pipeline 162 and a control assembly 163, the air pump 160 has an air inlet 1601 and an air outlet 1602, one end of the negative pressure pipeline 161 is connected with the sewage tank 13, the other end is connected with the air inlet 1601, one end of the positive pressure pipeline 162 is connected with the sewage tank 13, the other end is connected with the air outlet 1602, the control assembly 163 can switch and control on-off of the negative pressure pipeline 161 and the positive pressure pipeline 162, when the negative pressure pipeline 161 is communicated, the air pump 160 provides negative pressure for the sewage tank 13 through the negative pressure pipeline 161, and when the positive pressure pipeline 162 is communicated, the air pump 160 provides positive pressure for the sewage tank 13 through the positive pressure pipeline 162.

The control component 163 is used for switching and controlling the on-off of the negative pressure pipeline 161 and the positive pressure pipeline 162, in other words, the control component 163 controls the positive pressure pipeline 162 to be communicated and the control component 163 controls the negative pressure pipeline 161 to be communicated and the positive pressure pipeline 162 to be disconnected. Since the negative pressure line 161 and the positive pressure line 162 are connected to the air inlet 1601 and the air outlet 1602 of the air pump 160, respectively, when the negative pressure line 161 is disconnected, the air inlet 1601 of the air pump 160 is communicated with the outside, and when the positive pressure line 162 is disconnected, the air outlet 1602 of the air pump 160 is communicated with the outside.

Optionally, the control assembly 163 includes two control elements, which are respectively installed on the negative pressure pipeline 161 and the positive pressure pipeline 162, and respectively control on-off of the negative pressure pipeline 161 and the positive pressure pipeline 162. For example, the control elements are solenoid valves or pneumatic valves, and may be other control valves capable of controlling the on-off of the pipeline.

In particular, when the sewage in the sewage tank 12 needs to be conveyed to the sewage tank 13, the control component 163 controls the negative pressure pipeline 161 to be communicated, the positive pressure pipeline 162 is disconnected, then the air pump 160 is started, the air flow in the sewage tank 13 flows into the air inlet 1601 of the air pump 160 along the negative pressure pipeline 161 under the action of the air pump 160 and is discharged from the air outlet 1602 of the air pump 160 to the outside, so that negative pressure is formed in the sewage tank 13 and the sewage suction pipeline 14, and the sewage in the sewage tank 12 flows into the sewage tank 13 through the sewage suction pipeline 14 under the action of the negative pressure; when the sewage in the sewage tank 13 needs to be discharged to the outside, the control component 163 controls the positive pressure pipeline 162 to be communicated, the negative pressure pipeline 161 is disconnected, then the air pump 160 is started, external air flow enters the air pump 160 from the air inlet 1601 of the air pump 160 under the action of the air pump 160 and sequentially passes through the air outlet 1602 of the air pump 160 and the positive pressure pipeline 162 and then is conveyed into the sewage tank 13, so that positive pressure is formed in the sewage tank 13, and the sewage in the sewage tank 13 is discharged to the outside through the sewage discharge pipeline 15 under the action of the positive pressure.

In this embodiment, the control component 163 is used to switch the negative pressure pipeline 161 and the positive pressure pipeline 162, so that the air pump 160 can provide negative pressure and positive pressure for the sewage tank 13 through the positive pressure pipeline 162 and the negative pressure pipeline 161 respectively, when the negative pressure is provided, the sewage in the sewage tank 12 is conveyed to the sewage tank 13, and when the positive pressure is provided, the sewage in the sewage tank 13 is conveyed to the outside, thereby realizing full-automatic treatment of the sewage of the base station 10, saving time and labor, and the sewage in the whole sewage treatment process of the base station 10 can not pass through the air pump 160, the negative pressure pipeline 161, the positive pressure pipeline 162, the control component 163 and the like, so that the risk of pipeline blockage is avoided, and the soaking failure of the air pump 160 and the control component 163 is avoided, thereby being beneficial to improving the stability and durability of the sewage treatment of the base station 10.

In some embodiments, control assembly 163 includes a first control element 1631 and a second control element 1632; the negative pressure pipeline 161 comprises a first connecting pipe 1611 and a second connecting pipe 1612, the first connecting pipe 1611 is communicated with the sewage tank 13, the second connecting pipe 1612 is communicated with the air inlet 1601, and a first control element 1631 is arranged between the first connecting pipe 1611 and the second connecting pipe 1612 and used for switching and controlling the first connecting pipe 1611 to be communicated with the second connecting pipe 1612 or the second connecting pipe 1612 to be communicated with the outside; the positive pressure line 162 includes a third connection pipe 1621 and a fourth connection pipe 1622, the third connection pipe 1621 is communicated with the air outlet 1602, the fourth connection pipe 1622 is communicated with the sewage tank 13, and a second control element 1632 is provided between the third connection pipe 1621 and the fourth connection pipe 1622 for switching control of the communication of the third connection pipe 1621 and the fourth connection pipe 1622, or the communication of the third connection pipe 1621 with the outside.

Optionally, the first control element 1631 and the second control element 1632 are three-way solenoid valves, and for convenience of explanation, the first control element 1631 has three interfaces a1, b1, and c1, and the second control element 1632 has three interfaces a2, b2, and c 2.

The negative pressure pipeline 161 comprises a first connecting pipe 1611 and a second connecting pipe 1612, one end of the first connecting pipe 1611 is communicated with the sewage tank 13, the other end of the first connecting pipe 1611 is connected with the c1 interface, one end of the second connecting pipe 1612 is communicated with the air inlet 1601 of the air pump 160, the other end of the second connecting pipe is connected with the a1 interface, the positive pressure pipeline 162 comprises a third connecting pipe 1621 and a fourth connecting pipe 1622, one end of the third connecting pipe 1621 is communicated with the air outlet 1602 of the air pump 160, the other end of the third connecting pipe 1622 is connected with the a2 interface, one end of the fourth connecting pipe 1622 is communicated with the sewage tank 13, the other end of the fourth connecting pipe 1622 is communicated with the c2 interface, and the b1 interface and the b2 interface are respectively communicated with the outside.

When sewage in the sewage tank 12 is conveyed to the sewage tank 13, the b1 interface of the first control element 1631 is closed, the a1 interface is communicated with the c1 interface, the c2 interface of the second control element 1632 is closed, the a2 interface is communicated with the b2 interface, the first connecting pipe 1611 is communicated with the second connecting pipe 1612, the third connecting pipe 1621 is communicated with the outside, at the moment, the air pump 160 is started, the air flow in the sewage tank 13 flows into the air inlet 1601 of the air pump 160 along the first connecting pipe 1611 and the second connecting pipe 1612 in sequence under the action of the air pump 160, flows into the third connecting pipe 1621 from the air outlet 1602 of the air pump 160, and finally is discharged out of the outside through the b2 interface, so that negative pressure is generated in the sewage tank 13, and the sewage in the sewage tank 12 flows into the sewage tank 13 under the action of the negative pressure.

When the sewage in the sewage tank 13 is discharged to the outside, the c1 interface of the first control element 1631 is closed, the a1 interface is communicated with the b1 interface, the b2 interface of the second control element 1632 is closed, the a2 interface is communicated with the c2 interface, the third connecting pipe 1621 is communicated with the fourth connecting pipe 1622, the second connecting pipe 1612 is communicated with the outside, the air pump 160 is started at this time, the outside air flows in from the b1 interface under the action of the air pump 160 and sequentially flows through the second connecting pipe 1612, the air inlet 1601, the air outlet 1602, the third connecting pipe 1621 and the fourth connecting pipe 1622 and then is conveyed into the sewage tank 13, so that positive pressure is formed in the sewage tank 13, and the sewage in the sewage tank 13 is discharged to the outside through the sewage discharge pipeline 15 under the action of the positive pressure.

It will be appreciated that the first connection tube 1611 and the fourth connection tube 1622 may be in direct communication or indirect communication with the tank 13, for example, in some embodiments, the first connection tube 1611 is directly connected to the tank 13 to enable direct communication of the first connection tube 1611 with the tank 13, and the fourth connection tube 1622 is connected to the first connection tube 1611 via a three-way connection so that the fourth connection tube 1622 communicates with the tank 13 via the first connection tube 1611, although in other embodiments, the fourth connection tube 1622 may be directly connected to the tank 13.

In some embodiments, the control assembly 163 further includes a controller electrically connected to each of the first control element 1631, the second control element 1632, and the air pump 160. The controller is installed in the body 11, and controls the operation states of the first control element 1631, the second control element 1632, and the air pump 160 through the controller.

In some embodiments, the water changing structure 30 further includes a first control valve 17 and a second control valve 18, where the first control valve 17 is disposed on the sewage suction pipeline 14 and is used for controlling on-off of the sewage suction pipeline 14, and the second control valve 18 is disposed on the sewage discharge pipeline 15 and is used for controlling on-off of the sewage discharge pipeline 15.

In particular, when the sewage in the sewage tank 12 needs to be conveyed to the sewage tank 13, the first control valve 17 controls the sewage suction pipeline 14 to be communicated, so that the sewage in the sewage tank 12 can flow into the sewage tank 13 under the action of negative pressure, and when the sewage in the sewage tank 13 needs to be discharged to the outside, the second control valve 18 controls the sewage discharge pipeline 15 to be communicated, so that the sewage in the sewage tank 13 can be discharged to the outside through the sewage discharge pipeline 15 under the action of positive pressure.

In some embodiments, the first control valve 17 is a one-way valve, and is used for controlling one-way conduction from the sewage tank 12 to the sewage tank 13, so that when sewage in the sewage tank 12 can flow into the sewage tank 13 through the sewage suction pipeline 14 and the sewage in the sewage tank 13 is prevented from flowing back into the sewage tank 12 during negative pressure sewage suction.

The second control valve 18 is also a one-way valve for controlling one-way conduction from the sewage tank 13 to the outside, so that sewage in the sewage tank 13 can be discharged to the outside through the sewage pipe when the sewage is discharged at positive pressure, and external sewage is prevented from flowing back into the sewage tank 13.

It will be appreciated that in other embodiments, the first control valve 17 and the second control valve 18 may be other types of valves, for example, the first control valve 17 and the second control valve 18 are two-way solenoid valves. The first control valve 17 and the second control valve 18 are respectively and electrically connected with a controller, and the working states of the first control valve 17 and the second control valve 18 are controlled by the controller so as to control the on-off of the sewage suction pipeline 14 and the sewage discharge pipeline 15.

Referring to fig. 8, fig. 8 is a schematic view of a sewage tank.

In some embodiments, the sewage tank 13 is provided with a sewage return hole 132, a sewage drain hole 133 and a vent hole 134, the sewage suction pipeline 14 is communicated with the sewage return hole 132, the sewage drain pipeline 15 is communicated with the sewage drain hole 133, and the negative pressure pipeline 161 and the positive pressure pipeline 162 are communicated with the vent hole 134.

The sewage return hole 132, the sewage drain hole 133 and the vent hole 134 are all communicated with the sewage tank 13, and in the process of conveying sewage in the sewage tank 12 to the sewage tank 13, the air pump 160 pumps air flow in the sewage tank 13 through the vent hole 134 and enables negative pressure to be formed in the sewage tank 13, so that the sewage in the sewage tank 12 enters the sewage tank 13 through the sewage return hole 132 under the action of the negative pressure. When the sewage in the sewage tank 13 is conveyed to the outside, the air pump 160 also conveys air flow into the sewage tank 13 through the air hole 134 and forms positive pressure in the sewage tank 13, so that the sewage in the sewage tank 13 flows to the sewage pipeline 15 through the sewage outlet 22 under the positive pressure effect and is discharged to the outside.

It will be appreciated that in other embodiments, two vent holes 134 may be formed in the tank 130, where one vent hole 134 is connected to a negative pressure pipeline 161, and the air pump 160 pumps air flow from the sewage tank 13 through the negative pressure pipeline 161 and the vent hole 134 to form a negative pressure, and the other vent hole 134 is connected to a positive pressure pipeline 162, and the air pump 160 delivers air flow to the sewage tank 13 through the positive pressure pipeline 162 and the vent hole 134 to form a positive pressure.

In some embodiments, the water exchanging structure 30 further includes a sewage tank 13, the sewage tank 13 includes a tank body 130 and a tank cover 131, the tank cover 131 covers the tank body 130, the tank body 130 includes a bottom wall and a side wall, the bottom wall encloses the periphery of the side wall, the sewage draining hole 133 is formed in the bottom wall, the sewage returning hole 132 and the ventilation hole 134 are formed in the side wall, and the sewage returning hole and the ventilation hole are located at one side of the side wall away from the bottom wall.

It will be appreciated that in other embodiments, the water change structure 30 may not include the tank 13, e.g., the tank 13 may be part of the housing 11.

The tank 130 is used for accommodating sewage, and the tank cover 131 is detachably covered on the tank 130, so that the tank cover 131 is conveniently opened manually and regularly and the sewage tank 13 is cleaned. Alternatively, the case cover 131 may be screwed, snapped, or the like onto the case 130.

The box 130 includes diapire and lateral wall, encloses by diapire and lateral wall and closes and form this box 130, and blowdown hole 133 is offered on the diapire, and more convenient blowdown is offered to blowdown hole 132 and air vent 134 all on the lateral wall to be located the lateral wall and keep away from the one side of diapire, in other words, the position that returns dirty hole 132 and air vent 134 locate is higher, enables the volume utilization ratio of sewage case 13 higher on the one hand, and on the other hand can effectively avoid sewage in the sewage case 13 to flow back to the dirt absorbing pipeline 14 through returning dirty hole 132 to and flow back to in negative pressure pipeline 161 and the positive pressure pipeline 162 through air vent 134.

In some embodiments, the level of the vent 134 on the side wall of the bottom wall is higher than the level of the sewage return hole 132 on the side wall, so that sewage in the sewage tank 13 can be further prevented from flowing back into the negative pressure pipeline 161 and the positive pressure pipeline 162 through the vent 134, and the pipelines are prevented from being blocked.

In some embodiments, the water changing structure 30 further includes a sump 12, the sump 12 being in communication with the sewage suction inlet 140. It will be appreciated that in other embodiments, the water exchange structure 30 may not include the sump 12, for example, the sump 12 may be a part of the housing 11, and specifically, the housing 11 may be directly grooved to form the sump 12.

Referring to fig. 9 and 10, fig. 9 is a schematic diagram of an assembly structure of a water injection pipeline, a water pump, a bypass pipeline, a bypass valve, a cleaning solution tank, a water injection pipeline and a liquid pump, and fig. 10 is a schematic diagram of pipeline connection of the water injection pipeline, the bypass pipeline and the water injection pipeline.

In some embodiments, the base station 10 further includes a water injection pipeline 190 and a water pump 191, one end of the water injection pipeline 190 is a clean water suction inlet 1900, the other end of the water injection pipeline 190 can be communicated with the clean water tank of the cleaning robot 20, the water pump 191 is arranged on the water injection pipeline 190, and clean water can be conveyed into the clean water tank through the water injection pipeline 190 under the driving of the water pump 191.

Clear water suction inlet 1900 is connected with outside clear water source, has the clear water tank in the cleaning robot 20, when needs add clear water to the clear water tank, suction pump 191 starts, carries clear water through suction pump 191, and outside clear water adds to the clear water tank through water injection pipeline 190, realizes that cleaning robot adds clear water automatically, further improves cleaning system's convenience of use, saves the cost of labor.

In some embodiments, the water pump 191 is a diaphragm pump, and the base station 10 further includes a bypass line 192 and a bypass valve 193, wherein two ends of the bypass line 192 are respectively communicated with two ends of the diaphragm pump, and the bypass valve 193 is mounted on the bypass line 192.

The diaphragm pump may be an air-operated diaphragm pump but is not limited thereto, and for example, the diaphragm pump may be an electric diaphragm pump. The diaphragm pump includes a water inlet 1911 and a water outlet 1912, the water injection pipeline 190 includes a first pipe segment 1901 and a second pipe segment 1902, one end of the first pipe segment 1901 is a clean water suction inlet 1900, the other end is connected with the water inlet 1911 of the diaphragm pump, one end of the second pipe segment 1902 is connected with the water outlet 1912 of the diaphragm pump, and the other end is connected with a clean water tank in the cleaning robot 20.

The bypass line 192 is connected at one end to the first tube segment 1901 and communicates with the diaphragm pump water inlet 1911 and at the other end to the second tube segment 1902 and communicates with the diaphragm pump water outlet 1912.

The bypass valve 193 may be, but not limited to, a one-way valve, and the bypass valve 193 is installed on the bypass pipeline 192 to regulate the pressure and flow rate of the fluid discharged from the water outlet 1912 of the diaphragm pump, and in short, when the pressure value of the fluid discharged from the water outlet 1912 of the diaphragm pump is large, the fluid discharged from the water outlet 1912 of the diaphragm pump can push the bypass valve 193 to flow back to the water inlet 1911 of the diaphragm pump, so that the pressure of the fluid discharged from the water outlet 1912 of the diaphragm pump is stable, and damage to components such as the diaphragm pump due to overhigh fluid pressure of the water outlet 1912 of the diaphragm pump is avoided.

In some embodiments, the base station 10 further includes a cleaning solution tank 194, a filling pipe 195, and a liquid pump 196, wherein one end of the filling pipe 195 is communicated with the cleaning solution tank 194, the other end is communicated with the filling pipe 190, the liquid pump 196 is installed on the filling pipe 195, and the cleaning solution in the cleaning solution tank 194 enters the water filling pipe 190 through the filling pipe 195 under the driving of the liquid pump 196.

The liquid pump 196 is a peristaltic pump, but is not limited thereto, the cleaning liquid tank 194 is used for holding a cleaning liquid, and one end of the liquid injection pipeline 195 is communicated with the cleaning liquid tank 194, and the other end is communicated with the second pipe section 1902. The liquid pump 196 is started and the cleaning liquid in the cleaning liquid tank 194 enters the second pipe section 1902 through the liquid injection pipeline 195. Optionally, the liquid pump 196 and the water pump 195 are started synchronously, so that the clean water and the cleaning solution at the second pipe section 1902 are mixed and then are delivered to the clean water tank of the cleaning robot 20, thereby guaranteeing the floor cleaning effect of the cleaning robot 20.

In some embodiments, the base station 10 further includes a third control valve 197, where the third control valve 197 is disposed on the water injection line 190 for controlling the on/off of the water injection line 190. It is appreciated that the third control valve 197 may be disposed on either the first pipe segment 1901 or the second pipe segment 1902. Optionally, the third control valve 197 is a solenoid valve.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order, and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity; while the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. A water change structure, comprising:

2. The water exchange structure of claim 1, wherein the air pressure regulating assembly comprises:

the air pump is provided with an air inlet and an air outlet;

3. The water change structure of claim 2, wherein the control assembly comprises a first control element and a second control element;

4. A water changing structure according to claim 3, wherein the first control element and the second control element are both three-way solenoid valves.

5. A water changing structure according to claim 3, wherein the control assembly further comprises a controller electrically connected to each of the first control element, the second control element and the air pump.

6. The water changing structure according to claim 1, further comprising a first control valve and a second control valve, wherein the first control valve is arranged on the sewage suction pipeline and used for controlling the on-off of the sewage suction pipeline, and the second control valve is arranged on the sewage discharge pipeline and used for controlling the on-off of the sewage discharge pipeline.

7. The water exchanging structure of claim 6, wherein the first control valve and the second control valve are both check valves, the first control valve is for controlling one-way conduction from the sewage suction port to the sewage tank, and the second control valve is for controlling one-way conduction from the sewage tank to the outside.

8. The water changing structure according to claim 2, comprising a sewage tank, wherein the sewage tank is provided with a sewage return hole, a sewage drain hole and a vent hole, the sewage suction pipeline is communicated with the sewage return hole, the sewage drain pipeline is communicated with the sewage drain hole, and the negative pressure pipeline and the positive pressure pipeline are both communicated with the vent hole.

9. The water exchanging structure of claim 8, wherein the sewage tank comprises a tank body and a tank cover, the tank cover being covered on the tank body;

10. The water changing structure according to claim 1, further comprising a sewage tank, the sewage tank being in communication with the sewage suction port.

11. A base station, characterized by comprising a machine body and the water changing structure according to any one of claims 1-10, wherein the sewage tank, the sewage suction pipeline, the sewage discharge pipeline and the air pressure regulating and controlling component are respectively arranged on the machine body.

12. The base station of claim 11, further comprising a water injection pipeline and a water pump, wherein one end of the water injection pipeline is a clean water suction inlet, the other end of the water injection pipeline can be communicated with a clean water tank of the cleaning robot, the water pump is arranged on the water injection pipeline, and clean water can be conveyed into the clean water tank through the water injection pipeline under the driving of the water pump.

13. The base station of claim 12, wherein the water pump is a diaphragm pump, the base station further comprising a bypass line and a bypass valve, the bypass line having two ends in communication with the two ends of the diaphragm pump, respectively, the bypass valve being mounted on the bypass line.

14. The base station of claim 12, further comprising a cleaning fluid tank, a fluid injection line, and a fluid pump, wherein one end of the fluid injection line is in communication with the cleaning fluid tank, the other end is in communication with the fluid injection line, the fluid pump is mounted on the fluid injection line, and the cleaning fluid in the cleaning fluid tank enters the fluid injection line through the fluid injection line under the driving of the fluid pump.

15. A cleaning system comprising a cleaning robot and a base station according to any of claims 11-14, the cleaning robot comprising a dirt collection chamber, the dirt tank for receiving dirt in the dirt collection chamber.