Cleaning Equipment

Abstract

The present invention relates to a cleaning device. The body of the cleaning device is provided with a first conductive member and a second conductive member electrically connected to a control module; the sewage tank is provided with a third conductive member for contacting the first conductive member, a fourth conductive member for contacting the second conductive member, a first water level sensing member electrically connected to the third conductive member, and a second water level sensing member electrically connected to the fourth conductive member, and the sensing ends of the first water level sensing member and the second water level sensing member are both located in the sewage tank; when the water level of the sewage tank reaches the sensing ends of the first and second water level sensing members, a first loop signal is formed between the first, second, third, and fourth conductive members, and the control module can determine the water level of the sewage tank based on the first loop signal. The cleaning device can monitor the water level of the sewage tank, so that there is no need to monitor the water level of the sewage tank through a float, which can reduce the extra space occupied by the sewage tank, and can prevent the garbage in the sewage tank from being entangled and adhering to the surface of the float, which is beneficial to the cleaning of the sewage tank.

Description

Technical Field

[0001] The present invention relates to the technical field of household appliances, in particular to a cleaning device. Background Art

[0002] As one of the important parts of a wet vacuum cleaner, the sewage tank is mainly used to collect the sucked-in sewage and garbage. At present, in order to facilitate users to judge whether the sewage tank is full of water, a float is usually installed in the sewage tank. Once the sewage tank is full of water, the float will block the air outlet of the sewage tank under the action of the buoyancy of the sewage. However, the floating float occupies more internal storage space of the sewage tank, and the garbage in the sewage tank is easy to entangle and adhere to the surface of the float, making it difficult to clean. Summary of the invention

[0003] Based on this, it is necessary to provide a cleaning device to address the technical problems that the float in the existing sewage tank occupies a large space and the garbage in the sewage tank is easily entangled and adhered to the surface of the float.

[0004] A cleaning device, comprising: a body, a control module and a sewage tank arranged on the body;

[0005] The fuselage is provided with a first conductive member and a second conductive member electrically connected to the control module;

[0006] The sewage tank is provided with a third conductive member for contacting the first conductive member, a fourth conductive member for contacting the second conductive member, a first water level sensing member electrically connected to the third conductive member, and a second water level sensing member electrically connected to the fourth conductive member, and the sensing ends of the first water level sensing member and the second water level sensing member are both located in the sewage tank;

[0007] When the water level of the sewage tank reaches the sensing ends of the first and second water level sensing elements, a first loop signal is formed between the first, second, third and fourth conductive elements, and the control module can determine the water level of the sewage tank based on the first loop signal.

[0008] In one of the embodiments, the fuselage is further provided with a fifth conductive member electrically connected to the control module;

[0009] When the first conductive member, the fifth conductive member and the third conductive member are in contact, a second loop signal is formed between the first and fifth conductive members, and the control module can also determine that the sewage tank and the fuselage are assembled based on the second loop signal.

[0010] In one embodiment, the first, second and fifth conductive members each include a mounting portion and a contact portion connected to each other, the mounting portion is connected to the body, and the contact portion is used to contact the third conductive member or the fourth conductive member and can be squeezed and deformed.

[0011] In one embodiment, the contact portion is an arc-shaped structure protruding toward the sewage tank.

[0012] In one embodiment, the first, second and fifth conductive members further include a supporting portion connected to the free end of the contact portion, and the supporting portion is used to abut against the body when the contact portion is squeezed and deformed.

[0013] In one embodiment, the support portion is an arc-shaped structure protruding away from the sewage tank.

[0014] In one embodiment, the cleaning device also includes a cover plate arranged on the body, the cover plate has a through hole and a plurality of partition holes, the through hole corresponds to the first sewage suction port of the body and the second sewage suction port of the sewage tank, the partition holes are distributed at intervals, and the contact portions of the first, second, and fifth conductive members each extend from the corresponding partition holes.

[0015] In one of the embodiments, the cover plate is provided with a sealing member, and the sealing member is used to seal the gap between the through hole and the first sewage suction port of the body and the second sewage suction port of the sewage tank.

[0016] In one embodiment, the sealing member includes a connecting layer covering the wall of the cover plate away from the sewage tank and a sealing ring formed on the connecting layer, one end of the sealing ring protrudes toward the first sewage suction port of the fuselage, and the other end of the sealing ring penetrates the connecting layer and extends out from the through hole of the cover plate.

[0017] In one embodiment, the sewage tank comprises: an upper cover, a lower cover and a box body which are sequentially mounted from top to bottom, and a receiving cavity is provided between the upper cover and the lower cover;

[0018] The third and fourth conductive members are both arranged on the upper cover, the connecting ends of the first water level sensing member and the second water level sensing member are located in the accommodating cavity and are electrically connected to the third conductive member or the fourth conductive member, and the sensing ends of the first water level sensing member and the second water level sensing member extend into the box body.

[0019] In one embodiment, the third and fourth conductive parts each include: a conductive part and a plurality of fixed parts spaced apart on the conductive part, wherein the conductive part is disposed on a wall of the upper cover away from the box body, and the fixed parts are sealed and penetrated through the upper cover, wherein a free end of at least one of the fixed parts is provided with a connecting part protruding toward the box body, and the connecting part is electrically connected to the first water level sensing part or the second water level sensing part.

[0020] In one of the embodiments, the fuselage is further provided with a warning module electrically connected to the control module;

[0021] The control module can also send a first warning signal through the warning module.

[0022] In the above cleaning device, when the water level of the sewage tank reaches the sensing end of the first water level sensor and the second water level sensor, the first water level sensor and the second water level sensor are conducted by the sewage in the sewage tank, so that the first conductive member and the second conductive member on the machine body are connected in series with the third conductive member and the fourth conductive member on the sewage tank and form a first loop signal. The control module on the machine body determines that the sewage in the sewage tank is full based on the first loop signal, and the user can process the sewage in the sewage tank in time. It can be seen that the cleaning device can monitor the water level of the sewage tank through the cooperation of the first, second, third, and fourth conductive members with the first and second water level sensors to avoid the sewage in the sewage tank from overflowing. In this way, there is no need to monitor the water level of the sewage tank through a float, which can not only reduce the additional space occupied by the sewage tank, but also avoid the garbage in the sewage tank from being entangled and adhering to the surface of the float, which is conducive to the cleaning of the sewage tank; in addition, the control module for judging whether the sewage tank is full of water is installed on the machine body, not in the sewage tank, which can reduce the requirements for the sealing of the sewage tank and also reduce the difficulty of assembling the control module. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the structure of a cleaning device provided by an embodiment of the present invention in a non-working state;

[0024] Figure 2 A schematic diagram of the structure of a cleaning device in working state provided by an embodiment of the present invention;

[0025] Figure 3 A cross-sectional view of a cleaning device provided by an embodiment of the present invention without a sewage tank installed and in a working state;

[0026] Figure 4 for Figure 3 A local enlarged schematic diagram at point A;

[0027] Figure 5 A schematic diagram of the electrical connection relationship between the sewage tank and the body provided in one embodiment of the present invention;

[0028] Figure 6 for Figure 5 A local enlarged schematic diagram at point A;

[0029] Figure 7 A cross-sectional view of a sewage tank provided in one embodiment of the present invention;

[0030] Figure 8An exploded schematic diagram of a sewage tank provided by an embodiment of the present invention;

[0031] Fig. 9 A schematic structural diagram of a first conductive member provided in one embodiment of the present invention;

[0032] Fig.10 A cross-sectional view of a cleaning device provided by an embodiment of the present invention without a sewage tank, viewed from a rear side perspective;

[0033] Fig.11 A schematic diagram of the structure of a cover plate provided in one embodiment of the present invention;

[0034] Fig.12 A schematic structural diagram of a third conductive element provided in one embodiment of the present invention.

[0035] The reference numerals in the accompanying drawings are described as follows:

[0036] 100, body; 100a, first sewage suction port; 200, control module; 300, sewage tank; 300a, second sewage suction port; 300b, air outlet; 310, upper cover; 310a, installation window; 320, lower cover; 330, box; 410, first conductive member; 420, second conductive member; 430, fifth conductive member; 400a, installation portion; 400b, contact portion; 400c, support portion; 510, first conductive member; 520, second conductive member; 530, fifth conductive member; 540, installation portion; 551, second conductive member; 560, third conductive member; 570, fifth conductive member; 580, fifth conductive member; 590, fifth conductive member; 600, fifth conductive member; 610, fifth conductive member; 620, fifth conductive member; 630, fifth conductive member; 640, fifth conductive member; 650, fifth conductive member; 660, fifth conductive member; 670, fifth conductive member; 680, fifth conductive member; 690, fifth conductive member; 700, fifth conductive member; 710, fifth conductive member; 720, fifth conductive member; 730, fifth conductive member; 740, fifth conductive member; 751, fifth conductive member; 760, fifth conductive member; 770, fifth conductive member; 780, fifth conductive member; 790, fifth conductive member; 800, fifth conductive member; 810, fifth conductive member; 820, fifth conductive member; 830, fifth conductive member; 840, fifth conductive member; 851, fifth conductive member; 860, fifth conductive member; 870, fifth conductive member; 880, fifth conductive member; 890, fifth conductive member; 900, fifth conductive member; 910, fifth conductive member; 92 Three conductive parts; 520, fourth conductive part; 500a, conductive part; 500b, fixing part; 500c, connecting part; 610, first water level sensing part; 620, second water level sensing part; 700, cover plate; 700a, through hole; 700b, partition hole; 710, sealing part; 711, connecting layer; 712, sealing ring; 720, stud; 800, base; 900, handle; 1000, fresh water tank; 1100, battery pack. DETAILED DESCRIPTION

[0037] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0038] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0040] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0042] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0043] An embodiment of the present invention provides a cleaning device, such as Figures 1 to 3 and Figure 5 As shown, the cleaning device includes: a body 100, a control module 200 and a sewage tank 300 arranged on the body 100. Figure 4 and Figure 6 As shown, the body 100 is provided with a first conductive member 410 and a second conductive member 420 electrically connected to the control module 200; the sewage tank 300 is provided with a third conductive member 510 in contact with the first conductive member 410, a fourth conductive member 520 in contact with the second conductive member 420, and a first water level sensing member 610 electrically connected to the third conductive member 510 (see Figure 7 and Figure 8 ) and a second water level sensing element 620 electrically connected to the fourth conductive element 520 (see Figure 8 ), the sensing ends of the first water level sensing component 610 and the second water level sensing component 620 are both located in the sewage tank 300; when the water level of the sewage tank 300 reaches the sensing ends of the first and second water level sensing components, a first loop signal is formed between the first, second, third and fourth conductive components, and the control module 200 can determine the water level of the sewage tank 300 based on the first loop signal.

[0044] The cleaning equipment may include but is not limited to wet vacuum cleaners. Figures 1 to 4 As shown, the cleaning device may also include a clean water tank 10000, a handle 900, a battery pack 1100, a suction generating device, a base 800 rotatably arranged at the bottom of the body 100, a driving module, a liquid extraction module and a rotatable roller brush arranged on the base 800, and a sewage pipe connected between the roller brush and the sewage tank 300; wherein the battery pack 1100 is electrically connected to the control module 200.

[0045] The first conductive member 410, the second conductive member 420, the third conductive member 510, the fourth conductive member 520, the first water level sensing member 610, and the second water level sensing member 620 are all made of conductive materials, such as metals such as aluminum alloy. The embodiment of the present invention does not specifically limit the distribution positions of the first conductive member 410, the second conductive member 420, the third conductive member 510, and the fourth conductive member 520. For example, Figure 6As shown, the first conductive member 410 and the second conductive member 420 are distributed on both sides of the first sewage suction port 100a of the body 100, and the third conductive member 510 and the fourth conductive member 520 are distributed on both sides of the second sewage suction port 300a of the sewage tank 300. In addition, the first water level sensing member 610 and the second water level sensing member 620 can be arranged at the top of the sewage tank 300. Once the sewage in the sewage tank 300 reaches the sensing ends of the first water level sensing member 610 and the second water level sensing member 620, it can be determined that the sewage tank 300 is full of water and the sewage in the sewage tank 300 needs to be processed.

[0046] The control module 200 may be a PLC (Programmable Logic Controller) circuit board.

[0047] In the above-mentioned cleaning device, when the water level of the sewage tank 300 reaches the sensing ends of the first water level sensing element 610 and the second water level sensing element 620, the first water level sensing element 610 and the second water level sensing element 620 are conducted by the sewage in the sewage tank 300, so that the first conductive element 410 and the second conductive element 420 on the body 100 are connected in series with the third conductive element 510 and the fourth conductive element 520 on the sewage tank 300 and form a first loop signal. The control module 200 on the body 100 determines that the sewage in the sewage tank 300 is full based on the first loop signal, and the user can process the sewage in the sewage tank 300 in time. It can be seen that the cleaning device can monitor the water level of the sewage tank 300 through the cooperation of the first, second, third and fourth conductive members 520 and the first and second water level sensing members 620 to prevent the sewage in the sewage tank 300 from overflowing. In this way, there is no need to monitor the water level of the sewage tank 300 through a float, which can not only reduce the additional space occupied by the sewage tank 300, but also prevent the garbage in the sewage tank 300 from being entangled and adhering to the surface of the float, which is beneficial to the cleaning of the sewage tank 300. In addition, the control module 200 for judging whether the sewage tank 300 is full of water is installed on the body 100, not in the sewage tank 300, which can reduce the requirements for the sealing of the sewage tank 300 and also reduce the difficulty of assembling the control module 200.

[0048] In some embodiments of the present invention, the body 100 is further provided with a warning module electrically connected to the control module 200; the control module 200 can also send a first warning signal through the warning module. Once the user receives the warning signal, it can be determined that the sewage tank 300 is full of water, and the sewage in the sewage tank 300 can be processed in time, which can effectively prevent the sewage in the sewage tank 300 from overflowing.

[0049] Optionally, when the sewage tank 300 is full of water, the control module 200 can also turn off the suction generating device of the cleaning equipment.

[0050] Optionally, the warning module can be a sound module, such as a speaker, which can emit a corresponding prompt sound when the sewage tank 300 is full of water; the warning module can also be a display module, such as a display screen, which can display a corresponding prompt mark when the sewage tank 300 is full of water.

[0051] In some embodiments of the present invention, Figure 4 and Figure 6 As shown, the fuselage 100 is also provided with a fifth conductive member 430 electrically connected to the control module 200; when the first conductive member 410, the fifth conductive member 430 are in contact with the third conductive member 510, a second loop signal is formed between the first and fifth conductive members, and the control module 200 can also determine that the sewage tank 300 and the fuselage 100 are assembled based on the second loop signal. When the sewage tank 300 is assembled on the body 100, the first conductive member 410 and the fifth conductive member 430 are in contact with the third conductive member 510. At this time, the first conductive member 410 and the fifth conductive member 430 are connected by the third conductive member 510, so that the first conductive member 410 and the fifth conductive member 430 are connected in series and form a second loop signal. The control module 200 on the body 100 determines that the sewage tank 300 has been assembled based on the second loop signal, and then the control module 200 starts to drive the corresponding component cleaning operation, so that the cleaning equipment can be prevented from performing the cleaning operation when the sewage tank 300 and the body 100 are not assembled, thereby ensuring the personal safety of the user. It can be understood that the fifth conductive member 430 is a conductive material, such as aluminum alloy or other metals.

[0052] Optionally, when the first conductive member 410 and the fifth conductive member 430 are not in contact with the third conductive member 510, the control module 200 can also send a second warning signal through the warning module. After the user assembles the sewage tank 300 to the fuselage 100, once the user receives the warning signal, the user can detect that the sewage tank 300 is not completely assembled to the fuselage 100, and can reassemble the sewage tank 300 in time. When the sewage tank 300 is not assembled to the fuselage 100, the warning module can emit a corresponding prompt sound or display a corresponding prompt mark.

[0053] like Fig. 9 As shown, in some embodiments of the present invention, the first, second and fifth conductive members all include a mounting portion 400a and a contact portion 400b connected to each other, the mounting portion 400a is connected to the body 100, and the contact portion 400b is used to contact and be squeezed and deformed with the third conductive member 510 or the fourth conductive member 520. The contact portion 400b is squeezed and deformed so that the first and fifth conductive members can effectively contact the third conductive member 510, thereby avoiding poor electrical conduction between the first conductive member 410 and the third conductive member 510, between the fifth conductive member 430 and the third conductive member 510, and between the second conductive member 420 and the fourth conductive member 520.

[0054] Optionally, the mounting portions 400 a of the first, second and fifth conductive members may be mounted on the body 100 by welding, snapping, screws or the like.

[0055] Alternatively, if Fig. 9 As shown, the contact portion 400b is an arc-shaped structure protruding toward the sewage tank 300. The contact portion 400b of this structure has the characteristics of simple structure, small space occupation and sufficient elasticity. Of course, in some other embodiments, the contact portion 400b can be a mesh, spiral, folded line, wave or other easily deformable structure.

[0056] Alternatively, if Fig. 9 As shown, the connection between the mounting portion 400a and the contact portion 400b has a smooth transition. In this way, the stress mutation between the mounting portion 400a and the contact portion 400b can be avoided, and the service life of the first, second, and fifth conductive members can be extended. Optionally, a mounting hole is provided at the connection between the mounting portion 400a and the contact portion 400b, and the wires on the control module 200 are passed through the mounting holes on the first, second, and fifth conductive members, thereby achieving electrical connection between the control module 200 and the first, second, and fifth conductive members.

[0057] Further, in some embodiments of the present invention, Fig. 9 As shown, the first, second and fifth conductive members further include a support portion 400c connected to the free end of the contact portion 400b, and the support portion 400c is used to abut against the body 100 when the contact portion 400b is squeezed and deformed. The support portion 400c makes the contact portion 400b easier to deform when squeezed.

[0058] Alternatively, if Fig. 9 As shown, the support portion 400c is an arc-shaped structure protruding away from the sewage tank 300, so that the supporting strength of the support portion 400c can be ensured.

[0059] Alternatively, if Fig. 9 As shown, the connection between the support portion 400c and the contact portion 400b is smooth, so as to avoid sudden stress change between the support portion 400c and the contact portion 400b and extend the service life of the first, second and fifth conductive members 430.

[0060] Based on the premise that the first, second and fifth conductive members include a mounting portion 400a and a contact portion 400b connected to each other, in some embodiments of the present invention, such as Figure 4 and Fig.10 As shown, the cleaning device further includes a cover plate 700 disposed on the body 100; further, as shown Fig.11As shown, the cover plate 700 has a through hole 700a and a plurality of separation holes 700b. The through hole 700a corresponds to the first sewage suction port 100a of the body 100 and the second sewage suction port 300a of the sewage tank 300. The separation holes 700b are arranged at intervals, and the contact portions 400b of the first, second and fifth conductive members extend from the corresponding separation holes 700b respectively. The cover plate 700 can prevent the first, second and fifth conductive members from contacting each other during extrusion deformation. It should be noted that the liquid outlet port of the sewage pipe is connected to the second sewage suction port 300a of the sewage tank 300 through the first sewage suction port 100a of the body 100. In addition, the size of the separation hole 700b should be larger than the size of the corresponding conductive member in a natural state to ensure normal deformation of the corresponding conductive member.

[0061] Optionally, the cover plate 700 can be mounted on the body 100 by welding, snapping, screws, etc. For example, Fig.11 As shown, a plurality of studs 720 are formed on the cover plate 700 , each stud 720 protrudes in a direction away from the sewage tank 300 , and the stud 720 is connected to the body 100 by screws.

[0062] Furthermore, if Fig.11 As shown, in some embodiments of the present invention, a sealing member 710 is disposed on the cover plate 700, and the sealing member 710 is used to seal the gap between the through hole 700a and the first sewage suction port 100a of the body 100 and the second sewage suction port 300a of the sewage tank 300. The sealing member 710 is used to prevent the sewage and gas in the sewage tank 300 from flowing out through the gap between the through hole 700a and the sewage suction port of the body 100 and the sewage suction port of the sewage tank 300 instead of being discharged through the predetermined channel.

[0063] Alternatively, if Fig.11 As shown, the sealing member 710 includes a connection layer 711 covered on the wall of the cover plate 700 away from the sewage tank 300 and a sealing ring 712 formed on the connection layer 711, one end of the sealing ring 712 protrudes toward the first sewage suction port 100a of the body 100, and the other end of the sealing ring 712 penetrates the connection layer 711 and extends out of the through hole 700a of the cover plate 700. Optionally, the connection layer 711 and the sealing ring 712 of the sealing member 710 can be provided on the cover plate 700 by injection molding.

[0064] In some embodiments of the present invention, Figure 7 and Figure 8As shown, the sewage tank 300 includes: an upper cover 310, a lower cover 320 and a box body 330 which are sequentially installed from top to bottom, and there is a receiving cavity between the upper cover 310 and the lower cover 320; the third and fourth conductive members 520 are both arranged on the upper cover 310, and the connecting ends of the first water level sensing member 610 and the second water level sensing member 620 are located in the receiving cavity and are electrically connected to the third conductive member 510 or the fourth conductive member 520, and the sensing ends of the first water level sensing member 610 and the second water level sensing member 620 extend into the box body 330. The upper cover 310 and the lower cover 320 of the sewage tank 300 are provided with an air outlet 300b (see Figure 7 ), an air inlet communicating with the air outlet 300b is provided on the body 100, and the air inlet corresponds to the suction generating device. Among them, the accommodating cavity between the upper cover 310 and the lower cover 320 is used to install the filter element, and the filter element is installed between the air outlets of the upper cover 310 and the lower cover 320. The gas mixed in the sewage in the sewage tank 300 can be filtered by the filter element under the action of the suction generating device, and then flow into the body 100 through the air inlet on the body 100, and finally discharged to the outside of the body 100. It can be seen that the connection ends of the first water level sensor 610 and the second water level sensor 620 are located in the accommodating cavity between the upper cover 310 and the lower cover 320, and only the sensing end extends into the box body 330, which can reduce the space occupied by the first water level sensor 610 and the second water level sensor 620 in the box body 330 and improve the liquid holding rate of the sewage tank 300.

[0065] Furthermore, if Fig.12 As shown, in some embodiments of the present invention, the third and fourth conductive members each include: a conductive portion 500a and a plurality of fixed portions 500b spaced apart on the conductive portion 500a, the conductive portion 500a being disposed on a wall of the upper cover 310 away from the box body 330, the fixed portions 500b being sealed and penetrated through the upper cover 310, wherein at least one of the fixed portions 500b has a free end provided with a connecting portion 500c protruding toward the box body 330, and the connecting portion 500c is electrically connected to the first water level sensing member 610 or the second water level sensing member 620. It should be noted that the free end of the fixed portion 500b refers to an end of the fixed portion 500b that is not connected to the conductive portion 500a.

[0066] Optionally, the fixing portion 500b may be sealed and installed on the upper cover 310 by injection molding. The embodiment of the present invention does not impose any specific restrictions on the number of fixing portions 500b, as long as the conductive portion 500a can be firmly fixed on the upper cover 310. For example, the number of fixing portions 500b is set to 1, and a connecting portion 500c is provided on one fixing portion 500b.

[0067] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0068] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A cleaning device, characterized in that: include: A machine body (100), a control module (200) and a sewage tank (300) arranged on the machine body (100); The fuselage (100) is provided with a first conductive member (410) and a second conductive member (420) electrically connected to the control module (200); The sewage tank (300) is provided with a third conductive member (510) for contacting the first conductive member (410), a fourth conductive member (520) for contacting the second conductive member (420), a first water level sensing member (610) electrically connected to the third conductive member (510), and a second water level sensing member (620) electrically connected to the fourth conductive member (520), wherein sensing ends of the first water level sensing member (610) and the second water level sensing member (620) are both located in the sewage tank (300); When the water level of the sewage tank (300) reaches the sensing ends of the first and second water level sensing elements, a first loop signal is formed between the first, second, third and fourth conductive elements, and the control module (200) can determine the water level of the sewage tank (300) based on the first loop signal; The sewage tank (300) comprises: an upper cover (310), a lower cover (320) and a box body (330) which are sequentially mounted from top to bottom, and a receiving cavity is provided between the upper cover (310) and the lower cover (320); the third and fourth conductive members (520) are both arranged on the upper cover (310), the connecting ends of the first water level sensing member (610) and the second water level sensing member (620) are located in the receiving cavity and are electrically connected to the third conductive member (510) or the fourth conductive member (520), and the sensing ends of the first water level sensing member (610) and the second water level sensing member (620) extend into the box body (330).

2. The cleaning device according to claim 1, characterized in that The fuselage (100) is further provided with a fifth conductive member (430) electrically connected to the control module (200); When the first conductive member (410), the fifth conductive member (430) and the third conductive member (510) are in contact, a second loop signal is formed between the first and fifth conductive members, and the control module (200) can also determine that the sewage tank (300) and the body (100) are assembled based on the second loop signal.

3. The cleaning device according to claim 2, characterized in that: The first, second and fifth conductive members include a connected mounting portion (400a) and a contact portion (400b), wherein the mounting portion (400a) is connected to the body (100), and the contact portion (400b) is used to contact the third conductive member (510) or the fourth conductive member (520) and can be squeezed and deformed.

4. The cleaning device according to claim 3, characterized in that: The contact portion (400b) is an arc-shaped structure protruding toward the sewage tank (300).

5. The cleaning device according to claim 4, characterized in that The first, second and fifth conductive members further include a support portion (400c) connected to the free end of the contact portion (400b), and the support portion (400c) is used to abut against the body (100) when the contact portion (400b) is squeezed and deformed.

6. The cleaning device according to claim 5, characterized in that The support portion (400c) is an arc-shaped structure that protrudes away from the sewage tank (300).

7. The cleaning device according to claim 3, characterized in that: The cleaning device further comprises a cover plate (700) arranged on the body (100), the cover plate (700) having a through hole (700a) and a plurality of partition holes (700b), the through hole (700a) corresponding to a first sewage suction port (100a) of the body (100) and a second sewage suction port (300a) of the sewage tank (300), the partition holes (700b) being arranged at intervals, and the contact portions (400b) of the first, second and fifth conductive members respectively extending from the corresponding partition holes (700b).

8. The cleaning device according to claim 7, characterized in that The cover plate (700) is provided with a sealing member (710), and the sealing member (710) is used to seal the gap between the through hole (700a) and the first sewage suction port (100a) of the body (100) and the second sewage suction port (300a) of the sewage tank (300).

9. The cleaning device according to claim 8, characterized in that The sealing member (710) comprises a connection layer (711) covered on a wall of the cover plate (700) away from the sewage tank (300) and a sealing ring (712) formed on the connection layer (711); one end of the sealing ring (712) protrudes toward a first sewage suction port (100a) of the body (100); and the other end of the sealing ring (712) penetrates the connection layer (711) and protrudes from a through hole (700a) of the cover plate (700).

10. The cleaning device according to claim 1, characterized in that The third and fourth conductive parts each comprise: a conductive part (500a) and a plurality of fixed parts (500b) arranged at intervals on the conductive part (500a); the conductive part (500a) is arranged on a wall of the upper cover (310) away from the box body (330); the fixed parts (500b) are sealed and penetrated through the upper cover (310); a free end of at least one of the fixed parts (500b) is provided with a connecting part (500c) protruding toward the box body (330); and the connecting part (500c) is electrically connected to the first water level sensing part (610) or the second water level sensing part (620).

11. The cleaning device according to any one of claims 1 to 10, characterized in that: The fuselage (100) is also provided with a warning module electrically connected to the control module (200); The control module (200) can also send a first warning signal through the warning module.

Images