Sweeping robot

Abstract

The utility model discloses a sweeping robot. The sweeping robot comprises a sweeper host and a base station, the sweeper main machine comprises a water storage assembly, a first electrode and a first charging module, the first electrode is located in the water storage assembly, and the first electrode is electrically connected with the first charging module; the base station comprises a water supply assembly, a second electrode and a second charging module, the second electrode is located in the water supply assembly, and the second electrode is electrically connected with the second charging module; the sweeper host and the base station are in a butt joint state, the first charging module is electrically connected with the second charging module, a water path between the water supply assembly and the water storage assembly is conducted, and the first electrode and the second electrode are electrically connected through the water path. The structural arrangement of the sweeping robot can ensure the success rate of water injection.

Description

Technical Field

[0001] The present application relates to the technical field of smart home appliances, and in particular to a sweeping robot. Background Art

[0002] At present, sweeping robots are generally integrated sweeping and mopping mechanisms. In actual use, the sweeping robot host needs to be filled with water at the base station to meet the needs of spraying water for cleaning during cleaning.

[0003] In the related art, the main unit and base station of the sweeping robot realize the water injection function through mechanical docking. During the docking process, there are cases of misalignment or failure to dock, but the sweeping robot cannot determine whether the water injection is successful, causing a lot of inconvenience to the user. Utility Model Content

[0004] The purpose of the present application is to provide a sweeping robot, the structural setting of which can ensure the success rate of water injection.

[0005] In order to solve the above technical problems, the present application provides a sweeping robot, including a sweeping robot host and a base station;

[0006] The sweeping machine host comprises a water storage component, a first electrode and a first charging module, wherein the first electrode is located in the water storage component, and the first electrode is electrically connected to the first charging module;

[0007] The base station comprises a water supply component, a second electrode and a second charging module, the second electrode is located in the water supply component, and the second electrode is electrically connected to the second charging module;

[0008] The sweeper host is in a docking state with the base station, the first charging module is electrically connected to the second charging module, the water path between the water supply component and the water storage component is conductive, and the first electrode and the second electrode are electrically connected through the water path.

[0009] In a feasible solution, the water storage component includes a main unit water tank and a water inlet pipe, the first end of the water inlet pipe is connected to the main unit water tank, and the second end of the water inlet pipe is used to dock with the water supply component; the second end of the water inlet pipe is installed with a one-way valve that conducts one-way from the water inlet pipe to the main unit water tank.

[0010] In one feasible solution, the first electrode is installed on the water inlet pipeline, and at least a portion of the first electrode is located in the water inlet pipeline; or,

[0011] The first electrode is mounted on the main unit water tank, and at least a portion of the first electrode is located in the main unit water tank and corresponds to the water outlet position of the water inlet pipeline.

[0012] In a feasible solution, a docking channel is provided on the outer shell of the sweeping machine main body, the one-way valve is installed in the docking channel, and the water supply assembly includes a water injection joint, which can be inserted into the docking channel to cooperate with the one-way valve.

[0013] In a feasible solution, the outer fixing sleeve of the water injection joint is provided with an elastic sealing sleeve, and when the water injection joint is inserted into the docking channel, the water injection joint and the docking channel are sealed by the sealing sleeve.

[0014] In a feasible solution, the water supply component includes a base station water tank, a water injection pipeline and a water injection joint, the water injection joint is connected to the base station water tank through the water injection pipeline, and the water injection joint is used to dock with the water storage component; at least a portion of the second electrode is located on the passage connecting the water injection pipeline and the water injection joint.

[0015] In a feasible solution, the water supply assembly also includes an adapter, and the water injection joint is connected to the water injection pipeline through the adapter; the adapter includes a first plug-in portion and a second plug-in portion, the first plug-in portion is fixedly plugged into the water injection joint, the second plug-in portion is fixedly plugged into the water injection pipeline, and the first plug-in portion and the second plug-in portion are arranged at a predetermined angle.

[0016] In a feasible solution, the adapter also includes a third plug-in portion, the second electrode is fixedly inserted into the third plug-in portion, the water injection pipeline has a plug-in section that is plugged into the second plug-in portion, and at least a portion of the second electrode is located on an extension line of the pipeline center of the plug-in section.

[0017] In a feasible solution, the sweeping machine host includes a main control circuit board, the main control circuit board is provided with a detection circuit, and the first electrode is electrically connected to the first charging module through the detection circuit.

[0018] In a feasible solution, both the first electrode and the second electrode are corrosion-resistant electrodes.

[0019] The sweeping robot provided by the present application is provided with a first electrode electrically connected to its first charging module in a water storage component of the sweeping machine host, and a second electrode electrically connected to its second charging module in a water supply component of the base station. The first electrode and the second electrode are electrically connected by a water path formed during water injection to form a conductive loop between a host-side circuit connected to the first electrode and a base station-side circuit connected to the second electrode. The docking status of the sweeping machine host and the base station can be determined based on the conductive loop formed by the water path connection, and the success rate of water injection can be ensured. Due to the use of the water path conductive circuit, there is no false alarm of conduction after the sweeping machine host is separated from the base station. The first electrode and the second electrode are separately arranged in the sweeping machine host and the base station, which can effectively protect the first electrode and the second electrode, thereby helping to extend the life of the electrodes.

[0020] In addition, this solution does not require major adjustments to the existing structure of the sweeping robot. By using the existing charging module, only two electrodes and corresponding circuits need to be added. It is easy to improve on existing finished products at low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the structural principle of a sweeping robot host and a base station in an unconnected state in an embodiment provided in the present application;

[0022] Figure 2 This is a schematic diagram of the structural principle of a sweeping robot main unit and a base station in a docking state in an embodiment provided in the present application;

[0023] Figure 3 It is a partial perspective view of the sweeping machine host and the base station in the docking state in a specific embodiment;

[0024] Figure 4 for Figure 3 A partial enlarged view of the middle I part;

[0025] Figure 5 A partial cross-sectional view of a pipe section of a water supply assembly in a specific embodiment;

[0026] Figure 6 is a schematic diagram of the installation position of the first electrode in a specific embodiment;

[0027] Figure 7 FIG. 4 is a schematic diagram of the installation position of the first electrode in another specific embodiment.

[0028] Description of reference numerals:

[0029] The sweeping machine host 10, the water storage component 11, the host water tank 111, the water inlet pipeline 112, the one-way valve 113, the first electrode 12, the first charging module 13, the first charging positive electrode 131, the first charging negative electrode 132, the main control circuit board 14, the housing 15, and the docking channel 151;

[0030] Base station 20, water supply assembly 21, base station water tank 211, water injection pipeline 212, water injection joint 213, adapter 214, first plug-in portion 2141, second plug-in portion 2142, third plug-in portion 2143, sealing sleeve 215, second electrode 22, second charging module 23, second charging positive electrode 231, second charging negative electrode 232, shell wall portion 24, plug-in hole portion 241. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the present application, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0032] The terms “first” and “second” used in this article are only used to distinguish one component from another component with the same name, and do not mean that there is a primary or secondary or sequential order between these components.

[0033] Please refer to Figure 1 and Figure 2 , Figure 1 A schematic diagram of the structural principle of a sweeping robot host and a base station in an unconnected state in an embodiment provided in the present application; Figure 2 This is a schematic diagram of the structural principle of a sweeping robot host and a base station in a docking state in an embodiment provided in the present application. Figure 1 and Figure 2 The double-dotted lines represent the electrical connection relationship between related components.

[0034] In this embodiment, the sweeping robot includes a sweeping machine host 10 and a base station 20; the sweeping machine host 10 and the base station 20 can be docked or separated. When cleaning (including sweeping and mopping), the sweeping machine host 10 is separated from the base station 20 and operates independently. The sweeping machine host 10 has the function of spraying clean water or cleaning liquid for cleaning, and the clean water or water in the cleaning liquid can be supplied by the base station 20; according to actual needs, the sweeping machine host 10 can return to the location of the base station 20 and dock with the base station 20 to perform charging operations or cleaning operations, etc.

[0035] The sweeping machine host 10 includes a water storage component 11, a first electrode 12 and a first charging module 13. The first electrode 12 is located in the water storage component 11 and is electrically connected to the first charging module 13. The base station 20 includes a water supply component 21, a second electrode 22 and a second charging module 23. The second electrode 22 is located in the water supply component 21 and is electrically connected to the second charging module 23.

[0036] When the sweeping machine host 10 and the base station 20 are in a docking state, the first charging module 13 of the sweeping machine host 10 and the second charging module 23 of the base station 20 are in an electrically connected state, and the water path between the water storage component 11 of the sweeping machine host 10 and the water supply component 21 of the base station 20 is connected, that is, the water supply component 21 can inject water into the water storage component 11, and the first electrode 12 located in the water storage component 11 and the second electrode 22 located in the water supply component 21 are electrically connected through the water path. In this way, when the base station 20 can be normally injected with water, a continuous water path connection can be formed between the first electrode 12 and the second electrode 22, and a complete conductive loop can be formed between the first electrode 12 electrically connected to the first charging module 13 and the second electrode 22 electrically connected to the second charging module 23.

[0037] In application, when the sweeping machine host 10 needs to dock with the base station 20 for water injection operation, the docking status of the sweeping machine host 10 and the base station 20 can be determined by whether a conductive loop is formed between the first electrode 12 and the second electrode 22. When a conductive loop is formed between the first electrode 12 and the second electrode 22, it indicates that a continuous water path is formed, the water injection is normal, and the docking of the sweeping machine host 10 and the base station 20 is successful. When a conductive loop is not formed between the first electrode 12 and the second electrode 22, it can be considered that the alignment of the sweeping machine host 10 and the base station 20 is deviated, and the sweeping machine host 10 can exit the base station 20 and re-dock.

[0038] With the above-mentioned structural arrangement of the sweeping robot, the sweeping machine host 10 can determine the docking status of the sweeping machine host 10 and the base station 20 based on the conductive loop formed by the water channel connection, so as to ensure the success rate of water injection. Because the water channel conductive circuit is utilized, there is no false alarm of conduction after the sweeping machine host 10 is separated from the base station 20. The first electrode 12 and the second electrode 22 are separately arranged in the sweeping machine host 10 and the base station 20, which can effectively protect the first electrode 12 and the second electrode 22 and help extend the life of the electrodes. In addition, the solution does not require major adjustments to the existing structure of the sweeping robot. By utilizing the existing charging module, only two electrodes and corresponding circuits need to be added. It is easy to improve on existing finished products with low cost.

[0039] In a specific implementation, the sweeping machine host 10 is provided with a main control circuit board 14, the main control circuit board 14 is provided with a detection circuit, and the first electrode 12 is electrically connected to the first charging module 13 through the detection circuit. After such a configuration, the conductive state of the circuit formed by the first electrode 12 and the second electrode 22 can be fed back to the control module of the main control circuit board 14 through the detection circuit, so as to facilitate the control module to make corresponding control on the sweeping machine host 10. When the sweeping machine host 10 and the base station 20 are successfully docked, a water path is formed between the water supply component 21 and the water storage component 11, and the first electrode 12 and the second electrode 22 are electrically connected through the water path, and are connected in series with the circuit of the sweeping machine host 10 and the circuit of the base station 20. After forming a conductive loop, the detection circuit can feedback the circuit conduction signal to the control module of the main control circuit board 14; when the sweeping machine host 10 and the base station 20 fail to dock, a water path cannot be formed between the water supply component 21 and the water storage component 11, and the detection circuit cannot feedback the circuit conduction signal. The control module of the sweeping machine host 10 can determine that the docking has failed, thereby controlling the sweeping machine host 10 to exit the base station 20 for re-docking.

[0040] The first charging module 13 of the sweeping machine host 10 includes a first positive electrode 131 and a first negative electrode 132, and the second charging module 23 of the base station 20 includes a second positive electrode 231 and a second negative electrode 232. After the sweeping machine host 10 and the base station 20 are docked, the first positive electrode 131 and the second positive electrode 231 are electrically connected, and the first negative electrode 132 and the second negative electrode 232 are electrically connected.

[0041] Figure 1 and Figure 2 In the example shown, the first electrode 12 of the sweeping machine host 10 is electrically connected to the first negative electrode 132 through the detection circuit of the main control circuit board 14, and the second electrode 22 of the base station 20 is electrically connected to the second negative electrode 232. In this way, after the sweeping machine host 10 and the base station 20 are successfully docked, the first electrode 12, the main control circuit board 14, the first negative electrode 132, the second negative electrode 232 and the second electrode 22 form a conductive loop.

[0042] In other embodiments, the first electrode 12 may be electrically connected to the first positive electrode 131 , and the second electrode 22 may be electrically connected to the second positive electrode 231 .

[0043] Please refer to Figure 3 and Figure 4 , Figure 3 It is a partial perspective view of the sweeping machine host and the base station in the docking state in a specific embodiment; Figure 4 for Figure 3 A partial enlarged view of part I in the middle.

[0044] In this embodiment, the water storage component 11 of the sweeping machine host 10 includes a host water tank 111 and a water inlet pipe 112. The first end of the water inlet pipe 112 is connected to the host water tank 111, and the second end of the water inlet pipe 112 is used to dock with the water supply component 21 of the base station 20; a one-way valve 113 is installed at the second end of the water inlet pipe 112, that is, the docking end with the water supply component 21, and the one-way valve 113 is used to unidirectionally guide the passage from the water inlet pipe 122 to the host water tank 111.

[0045] After the above configuration, the water inlet on the side of the sweeping robot host 10 is sealed by a one-way valve 113. On the one hand, it can avoid false alarms caused by abnormal conduction. On the other hand, after the sweeping robot host 10 is separated from the base station 20, it can avoid the water in the host water tank 111 from leaking through the water inlet pipe 112, which is beneficial to improving the safety and reliability of the sweeping robot application.

[0046] In a specific implementation, after the sweeping machine host 10 and the base station 20 are successfully docked, the one-way valve 113 is pushed open by the water injection pressure on the base station 20 side to achieve water connection.

[0047] In this embodiment, the water supply component 21 of the base station 20 includes a base station water tank 211, a water injection pipeline 212 and a water injection joint 213, wherein the water injection joint 213 is connected to the base station water tank 211 through the water injection pipeline 212, and the water injection joint 213 is used to dock with the water storage component 11 of the sweeping machine host 10.

[0048] In a specific implementation, the one-way valve 113 of the water storage component 11 can be arranged close to the housing 15 of the sweeping machine main unit 10, and a docking channel 151 is arranged on the housing 15, and the water injection joint 213 on the base station 20 side can be inserted into the docking channel 151 and cooperate with the one-way valve 113. Specifically, after the one-way valve 113 is pushed open by the water injection water pressure, the water flows out from the water injection joint 213 and can flow into the water inlet pipeline 112 through the one-way valve 113.

[0049] In some embodiments, the one-way valve 113 may be at least partially located in the docking channel 151 , or may be located at a port of the docking channel 151 facing the water inlet pipe 112 , and the structure of the water injection joint 213 may be matched.

[0050] In some embodiments, a mounting seat may be further provided on the housing 15 to facilitate installation of the one-way valve 113 .

[0051] In a specific implementation, an elastic sealing sleeve 215 is provided outside the water injection joint 213 , and when the water injection joint 213 is inserted into the docking channel 151 of the housing 15 , the water injection joint 213 and the docking channel 151 are sealed by the sealing sleeve 215 .

[0052] After such arrangement, a seal is formed between the water injection joint 213 and the water inlet on the side of the sweeper main body 10, which can prevent water from overflowing from the outer shell 15 during the water injection process; in addition, the elastic sealing sleeve 215 is squeezed between the water injection joint 213 and the docking channel 151, which can play a positioning role for the water injection joint 213, and ensure that the water injection joint 213 will not shift during the water injection process to ensure the water injection effect.

[0053] Exemplarily, the sealing sleeve 215 may be a rubber sleeve.

[0054] In a specific implementation, at least a portion of the second electrode 22 is located on a passage connecting the water injection pipeline 212 and the water injection joint 213. In this way, when water is injected, water can flow through the second electrode 22 when flowing through the water injection pipeline 212 and the water injection joint 213, so as to ensure that the second electrode 22 and the first electrode 12 can be electrically connected through the water path.

[0055] Specifically, the second electrode 22 can be arranged near the outlet end of the water injection pipeline 212, or near the connection between the water injection pipeline 212 and the water injection joint 213. In this way, when water injection is not required, there is no water at the location of the second electrode 22, which is conducive to extending the service life of the second electrode 22.

[0056] In a specific implementation, the base station 20 includes a shell wall portion 24, which has a plug-in hole portion 241, and a water injection connector 213 is inserted into the plug-in hole portion 241. A portion of the water injection connector 213 extends out of the shell wall portion 24 to be located in a housing cavity of the base station 20 for accommodating at least part of the sweeping machine host 10, so as to facilitate docking with the sweeping machine host 10. Another portion of the water injection connector 213 extends into the inner side of the shell wall portion 24 to facilitate connection with the water injection pipeline 212 inside the base station 20.

[0057] The water injection joint 213 and the plug hole portion 241 can be fixed by interference fit, or by fasteners and the like.

[0058] In some embodiments, the channel of the water injection joint 213 is roughly linear, and the channel of the water injection pipeline 212 connected to the water injection joint 213 is also roughly linear. When the water injection joint 213 and the channel and the channel of the water injection pipeline 212 are arranged at a set angle, the water supply component 21 of the base station 20 may also include an adapter 214, and the water injection pipeline 212 is connected to the water injection joint 213 through the adapter 214. The setting of the adapter 214 can change the direction of water flow from the water injection pipeline 212 to the water injection joint 213. When the layout of the water injection pipeline 212 and the water injection joint 213 cannot be directly connected, the adapter 214 can be used for transition to flexibly adapt to the layout of related components in the base station 20. For example Figure 4As shown in , the channel extension direction of the water injection joint 213 is roughly along the left-right direction, and the channel extension direction of the water injection pipeline 212 is roughly along the up-down direction. The water injection pipeline 212 should not be directly connected to the water injection joint 213, but can be connected through the adapter 214.

[0059] Please refer to Figure 5 , Figure 5 A partial cross-sectional view of the pipeline portion of the water supply assembly in a specific embodiment.

[0060] In a specific implementation, the adapter 214 includes a first plug-in portion 2141 and a second plug-in portion 2142. The first plug-in portion 2141 is fixedly plugged with the water injection joint 213, and the second plug-in portion 2142 is fixedly plugged with the water injection pipeline 212. The first plug-in portion 2141 and the second plug-in portion 2142 are arranged at a predetermined angle. It can be understood that there is a circulation channel in the adapter 214. After the water injection joint 213 and the water injection pipeline 212 are connected, the water injection pipeline 212 can be communicated with the water injection joint 213 through the circulation channel of the adapter 214.

[0061] The predetermined angle between the first plug-in portion 2141 and the second plug-in portion 2142 may be arranged according to the relationship between the channel extension direction of the water injection pipeline 212 and the channel extension direction of the water injection joint 213 . Figure 5 In the example given, the channel extension direction of the water injection joint 213 is perpendicular to the channel extension direction of the water injection pipeline 212. Accordingly, the first plug-in portion 2141 and the second plug-in portion 2142 of the adapter 214 are arranged perpendicularly.

[0062] In some embodiments, the second electrode 22 can be inserted into the adapter 214. In this case, the adapter 214 also includes a third plug-in portion 2143, the second electrode 22 is fixedly inserted into the third plug-in portion 2143, the water injection pipeline 212 has a plug-in section that matches the second plug-in portion 2142, and at least part of the second electrode 22 is located on the extension line of the center of the plug-in section of the water injection pipeline 212. After such a configuration, it can be ensured that the water flowing out of the water injection pipeline 212 can flow through the second electrode 22 during the process of flowing to the water injection joint 213 through the adapter 214, so as to ensure that the second electrode 22 can be electrically connected to the first electrode 12 through the water path.

[0063] like Figure 5 As shown, after the above configuration, the adapter 214 is generally a three-way structure.

[0064] In a specific configuration, at least a portion of the second electrode 22 extends out of the third plug-in portion 2143 to facilitate electrical connection between the second electrode 22 and the second charging module 23 at the base station 20 side.

[0065] In a specific implementation, the insertion and assembly of the adapter 214 with the water injection joint 213 , the water injection pipeline 212 and the second electrode 22 can be achieved by interference fit, or by fixed connection methods such as riveting or fastener connection.

[0066] In other embodiments, the water injection joint 213 and the adapter 214 may be configured as an integral structure, that is, the water injection joint 213 and the adapter 214 may be integrally formed to reduce the number of components and facilitate assembly.

[0067] Please refer to Figure 6 and Figure 7 , Figure 6 is a schematic diagram of the installation position of the first electrode in a specific embodiment, Figure 7 FIG. 4 is a schematic diagram of the installation position of the first electrode in another specific embodiment. Figure 6 and Figure 7 It is a simple schematic diagram of the relevant structure, which is intended to show the relative position relationship between the first electrode 12 on the side of the sweeping machine main body 10 and the water storage assembly 11, and does not represent the actual structure.

[0068] like Figure 6 As shown, in one implementation, the first electrode 12 can be installed on the main unit water tank 111, and at least a portion of the first electrode 12 is located in the main unit water tank 111 and corresponds to the water outlet position of the water inlet pipe 112, that is, water flowing from the water outlet of the water inlet pipe 112 to the main unit water tank 111 can flow through the first electrode 12 to ensure that the first electrode 12 can be connected to the second electrode 22 through the water path.

[0069] like Figure 7 As shown, in another implementation, the first electrode 12 can be installed on the water inlet pipeline 112, and at least part of the first electrode 12 is located in the water inlet pipeline 112, so that after successful docking, the water supply on the base station 20 side can flow through the first electrode 12 when flowing through the water inlet pipeline 112, so as to ensure that the first electrode 12 can be electrically connected to the second electrode 22 through the water path. In the diagram, the first electrode 12 is on the side of the water inlet pipeline 112 close to the host water tank 111. In other implementations, the first electrode 12 can also be close to the side where the one-way valve 113 is located.

[0070] In a specific implementation, the first electrode 12 and the second electrode 13 are both corrosion-resistant electrodes to ensure the reliability of the electrical connection between the first electrode 12 and the second electrode 13 through the water path.

[0071] Specific examples are used herein to illustrate the principles and implementation methods of the present application, and the description of the above embodiments is only used to help understand the method and core ideas of the present application. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the present application, several improvements and modifications can be made to the present application, and these improvements and modifications also fall within the scope of protection of the claims of the present application.

Claims

1. A sweeping robot, characterized in that: Including the sweeper host and base station; The sweeping machine host comprises a water storage component, a first electrode and a first charging module, wherein the first electrode is located in the water storage component, and the first electrode is electrically connected to the first charging module; The base station comprises a water supply component, a second electrode and a second charging module, the second electrode is located in the water supply component, and the second electrode is electrically connected to the second charging module; The sweeper host is in a docking state with the base station, the first charging module is electrically connected to the second charging module, the water path between the water supply component and the water storage component is conductive, and the first electrode and the second electrode are electrically connected through the water path.

2. The sweeping robot according to claim 1, characterized in that: The water storage component includes a main unit water tank and a water inlet pipe, wherein the first end of the water inlet pipe is connected to the main unit water tank, and the second end of the water inlet pipe is used to dock with the water supply component; the second end of the water inlet pipe is installed with a one-way valve that conducts one way from the water inlet pipe to the main unit water tank.

3. The sweeping robot according to claim 2, characterized in that: The first electrode is installed on the water inlet pipeline, and at least a part of the first electrode is located in the water inlet pipeline; or, The first electrode is mounted on the main unit water tank, and at least a portion of the first electrode is located in the main unit water tank and corresponds to the water outlet position of the water inlet pipeline.

4. The sweeping robot according to claim 2, characterized in that: The housing of the sweeping machine main body is provided with a docking channel, the one-way valve is installed in the docking channel, and the water supply assembly includes a water injection joint, which can be inserted into the docking channel and cooperate with the one-way valve.

5. The sweeping robot according to claim 4, characterized in that: The outer fixing sleeve of the water injection joint is provided with an elastic sealing sleeve. When the water injection joint is inserted into the docking channel, the water injection joint and the docking channel are sealed by the sealing sleeve.

6. The sweeping robot according to claim 1, characterized in that: The water supply component includes a base station water tank, a water injection pipeline and a water injection joint. The water injection joint is connected to the base station water tank through the water injection pipeline, and the water injection joint is used to dock with the water storage component; at least part of the second electrode is located on the passage connecting the water injection pipeline and the water injection joint.

7. The sweeping robot according to claim 6, characterized in that: The water supply assembly also includes an adapter, and the water injection joint is connected to the water injection pipeline through the adapter; the adapter includes a first plug-in portion and a second plug-in portion, the first plug-in portion is fixedly plugged into the water injection joint, and the second plug-in portion is fixedly plugged into the water injection pipeline, and the first plug-in portion and the second plug-in portion are arranged at a predetermined angle.

8. The sweeping robot according to claim 7, characterized in that: The adapter also includes a third plug-in portion, the second electrode is fixedly inserted into the third plug-in portion, the water injection pipeline has a plug-in section that is plugged into the second plug-in portion, and at least part of the second electrode is located on the extension line of the pipeline center of the plug-in section.

9. The sweeping robot according to any one of claims 1 to 8, characterized in that: The sweeping machine host includes a main control circuit board, the main control circuit board is provided with a detection circuit, and the first electrode is electrically connected to the first charging module through the detection circuit.

10. The sweeping robot according to any one of claims 1 to 8, characterized in that: The first electrode and the second electrode are both corrosion-resistant electrodes.

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