Water tank, floor brush assembly and cleaning device

Abstract

The utility model discloses a water tank, ground brush subassembly and cleaning equipment, water tank includes: box, inside formation has first sewage storage cavity and first air duct, the box has with first sewage storage cavity import and with first air duct communication export, first air duct with first sewage storage cavity's top communication, first detection spare, arrange in first air duct, first detection spare is used for detecting whether there is water in first air duct. The water tank of the application is built-in first air duct, through arranging first detection spare in first air duct, can realize water detection when having water liquid to enter first air duct, and when detecting that there is water in first air duct, timely feedback alarm information closes the fan, avoids the fan and the subsequent air duct water.

Description

Technical Field

[0001] This utility model belongs to the field of cleaning equipment technology, specifically relating to a water tank, a floor brush assembly, and a cleaning device. Background Technology

[0002] Floor scrubbers with vacuuming capabilities clean stains using water and roller brushes, and then use negative pressure to force the dust and wastewater into a water tank for gas-liquid separation. Currently, floor scrubbers only have a detection module in the wastewater tank to check if it's full, allowing the fan to stop promptly when the tank is full. If this detection module malfunctions, the fan cannot be stopped in time, and continuous wastewater intake will lead to water entering the subsequent air ducts and fan. Utility Model Content

[0003] The purpose of this utility model is to provide a water tank, a floor brush, and a cleaning device. The water tank has a built-in air duct and can detect the presence of water inside the air duct to prevent sewage from being sucked into the subsequent air duct and fan of the sewage tank.

[0004] To achieve the above objectives, the first aspect of this utility model provides a water tank, comprising:

[0005] The housing has a first sludge storage chamber and a first air duct inside. The housing has an inlet communicating with the first sludge storage chamber and an outlet communicating with the first air duct. The first air duct is connected to the top of the first sludge storage chamber.

[0006] The first detection element is arranged inside the first air duct, and the first detection element is used to detect whether there is water in the first air duct.

[0007] In one or more embodiments, the housing includes an outer shell with an opening at one end and a cover plate covering the opening. The housing also includes an inner shell disposed on the outer or inner side of the cover plate, and the first air duct is formed between the inner shell and the cover plate.

[0008] In one or more embodiments, the inner shell is arranged on the inner side of the cover plate, the outlet is arranged on the cover plate, and the side or bottom surface of the inner shell is provided with a communication port that communicates with the top of the first dirt storage chamber.

[0009] In one or more embodiments, the housing further includes a guide plate disposed between the inner shell and the cover plate, the guide plate, the inner shell and the cover plate forming the first air duct, and the surface of the guide plate having a guide slope extending from the side of the inner shell away from the cover plate to the side of the outlet;

[0010] The first detection element extends from the inner side of the cover plate to the guide slope.

[0011] In one or more embodiments, the guide slope is an arc surface.

[0012] In one or more embodiments, the guide slope is provided with protruding ridges to form a water storage area on the side of the protruding ridges near the outlet, and the first detection element extends from the inner side of the cover plate to the water storage area.

[0013] In one or more embodiments, the cover plate has an opening at a position corresponding to the first air duct, and the cover plate includes a mounting plate detachably mounted at the opening, with the first detection element arranged on the mounting plate.

[0014] In one or more embodiments, the first detection element includes a pair of first electrodes disposed at a relative interval.

[0015] In one or more embodiments, the first electrode is a cylindrical electrode.

[0016] In one or more embodiments, the first electrode is a mesh planar electrode, and the plane in which the first electrode is located forms an angle with the flow direction of the fluid in the first air duct.

[0017] In one or more embodiments, a water-absorbing element is further included in the first air duct, the water-absorbing element being arranged on the side of the first detection element near the communication port.

[0018] In one or more embodiments, a second sewage storage chamber for storing sewage is further formed inside the box body. The second sewage storage chamber is connected to the bottom of the first sewage storage chamber. The box body has an air extraction hole connected to the top of the second sewage storage chamber, so that a negative pressure can be formed inside the second sewage storage chamber to draw out the sewage in the first sewage storage chamber.

[0019] The water tank also includes a second detection element arranged on the top of the second sewage storage chamber, which is used to detect whether the sewage level in the second sewage storage chamber reaches a threshold.

[0020] In one or more embodiments, the housing includes an outer shell with an opening at one end and a cover plate covering the opening, the outer shell and the cover plate forming a second dirt storage cavity, the second detection element being arranged on the inner side of the cover plate, and the air extraction hole being arranged on the cover plate.

[0021] In one or more embodiments, the cover plate further includes a enclosure portion surrounding the second detection element, wherein a notch is arranged on the circumferential surface of the enclosure portion away from the end of the cover plate.

[0022] In one or more embodiments, the cover plate further includes a plurality of first blocking portions arranged on the inner side, and the second detection element is arranged in the area enclosed by the plurality of first blocking portions.

[0023] In one or more embodiments, the second detection element includes a pair of second electrodes disposed at a relative interval, with the suction port arranged between the pair of second electrodes.

[0024] In one or more embodiments, the cover plate further includes a plurality of second blocking portions arranged on the inner side, and the air extraction hole is arranged in the area enclosed by the plurality of second blocking portions.

[0025] In one or more embodiments, the vent includes an overflow prevention section located near one end of the second sludge storage chamber, the diameter of which gradually decreases in the direction away from the second sludge storage chamber.

[0026] To achieve the above objectives, a second aspect of this utility model provides a floor brush assembly, including the water tank described in any of the above embodiments.

[0027] To achieve the above objectives, a third aspect of this utility model provides a cleaning device, comprising a handheld assembly, a connecting rod assembly, and a floor brush assembly as described in any of the above embodiments, connected in sequence.

[0028] In one or more embodiments, a second air duct is formed inside the connecting rod assembly, and a third air duct is formed inside the handheld assembly;

[0029] The first air duct, the second air duct, and the third air duct are connected in sequence. The cleaning equipment also includes a third detection element arranged in the second air duct and / or the third air duct. The third detection element is used to detect whether there is water in the second air duct and / or the third air duct.

[0030] The advantages of this application, which differ from existing technologies, are:

[0031] The water tank of this application has a built-in first air duct. By arranging a first detection element in the first air duct, water can be detected when water enters the first air duct. When water is detected in the first air duct, an alarm message is promptly sent to shut down the fan, thus preventing water from entering the fan and subsequent air ducts.

[0032] The water tank of this application has a first sludge storage chamber, a second sludge storage chamber and a first air duct formed inside the tank. A first detection element is provided inside the first air duct and a second detection element is provided at the top of the second sludge storage chamber. Two-stage water detection can be achieved through the first detection element and the second detection element, which effectively prevents sewage from flowing into the subsequent air duct and blower.

[0033] The second detection element of the water tank in this application is surrounded by a baffle and a first blocking part to block the surge generated by the sloshing of sewage, and the air vent is surrounded by a second blocking part to block the surge generated by the sloshing of sewage, which effectively avoids the problem of early alarm of the second detection element and sewage overflow.

[0034] The cleaning equipment in this application is equipped with three levels of water detection at different locations. In some extreme cases, even if the first or second level of water detection fails, it can still trigger a water detection alarm, ensuring that the fan can stop working in time and preventing water from entering the entire air duct and the fan. Attached Figure Description

[0035] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0036] Figure 1 This is an exploded structural diagram of one embodiment of the water tank in this application;

[0037] Figure 2 This is a cross-sectional structural schematic diagram of one embodiment of the cover plate of this application;

[0038] Figure 3 This is a cross-sectional structural schematic diagram of another embodiment of the water tank in this application;

[0039] Figure 4 This is a schematic diagram of one embodiment of the first testing component installation structure of this application;

[0040] Figure 5 This is a cross-sectional structural schematic diagram of another embodiment of the water tank in this application;

[0041] Figure 6 This is a schematic diagram of another embodiment of the mounting structure for the first testing component in this application;

[0042] Figure 7 This is a cross-sectional structural schematic diagram of another embodiment of the water tank in this application;

[0043] Figure 8 yes Figure 7 A magnified view of part A in the diagram;

[0044] Figure 9 This is a structural schematic diagram of one embodiment of the cover plate of this application;

[0045] Figure 10 yes Figure 9 A magnified view of part B in the diagram;

[0046] Figure 11 This is a cross-sectional structural schematic diagram of one embodiment of the brush component of this application;

[0047] Figure 12 This is a cross-sectional structural diagram of one embodiment of the cleaning equipment of this application.

[0048] Explanation of key figure labels:

[0049] Floor brush assembly 1; water tank 10; housing 100; first sludge storage chamber 101; first air duct 102; connecting port 1021; inlet 103; outlet 104; outer shell 105; cover plate 106; opening 1061; mounting plate 1062; first sealing ring 1063; second sealing ring 1064; enclosure part 1065; notch 10651; first blocking part 1066; second blocking part 1067; inner shell 107; bracket 108; guide plate 109; guide slope 1091; protruding ridge 1092; water storage area 1093; second sludge storage chamber 110; connection port 1101; air extraction hole 111; overflow prevention section 1111; filter plate 112; first detection element 200; first electrode 201; water suction element 300; second detection element 400; second electrode 401;

[0050] Connecting rod assembly 2; Second air duct 20;

[0051] Handheld component 3; third air duct 30; third detection component 31. Detailed Implementation

[0052] To enable those skilled in the art to better understand the technical solutions in this disclosure, the technical solutions in the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on the embodiments in this disclosure, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of this disclosure.

[0053] Conventional floor scrubbers only have a detection module inside the wastewater tank to check if the tank is full. In extreme cases, if this detection module fails, the blower cannot be stopped in time, and the continuous intake of wastewater will cause water to enter the subsequent air ducts and blower.

[0054] To address the aforementioned issues, the applicant has developed a water tank for use in cleaning equipment, which can be floor scrubbing equipment, such as a floor scrubber or a vacuum cleaner with a water tank. The water tank has a built-in air duct and a water detection module inside the air duct, which can detect the presence of water in the air duct and effectively prevent water from entering the subsequent air duct and fan of the cleaning equipment.

[0055] Specifically, please refer to Figure 1 and Figure 2 , Figure 1 This is an exploded structural diagram of one embodiment of the water tank in this application. Figure 2 This is a cross-sectional structural schematic diagram of one embodiment of the cover plate of this application.

[0056] like Figure 1 As shown, the water tank 10 includes a tank body 100, inside which a first sludge storage chamber 101 is formed, and inside the tank body 100 a first air duct 102 is also built ( Figure 1 (Not shown in the image).

[0057] The housing 100 has an inlet 103 communicating with the first sludge storage chamber 101 and an outlet 104 communicating with the first air duct 102. The first air duct 102 includes a connecting port 1021 communicating with the top of the first sludge storage chamber 101.

[0058] Understandably, during the cleaning process, the cleaning equipment can introduce the adsorbed dust and sewage into the first dirt storage chamber 101 through the inlet 103 of the housing 100. After separation in the first dirt storage chamber 101, the solid and liquid remain in the first dirt storage chamber 101, and the gas enters the first air duct 102 through the connecting port 1021 and is finally discharged from the outlet 104.

[0059] In this embodiment, a first detection element 200 is arranged inside the first air duct 102. The first detection element 200 is used to detect whether there is water inside the first air duct 102.

[0060] By setting the first detection element 200, water can be detected when water enters the first air duct 102, and the information can be promptly fed back to the control circuit when water is detected in the first air duct 102, so as to shut down the fan and prevent water from entering the fan and subsequent air ducts.

[0061] Specifically, in this embodiment, the housing 100 includes an outer shell 105 with an opening at one end and a cover plate 106 covering the opening. An inner shell 107 is also arranged on the inner side of the cover plate 106, and a first air duct 102 can be formed between the inner shell 107 and the cover plate 106.

[0062] In other embodiments, the first air duct 102 may not be integrated into the cover plate 106. For example, the first air duct 102 may be integrated into the outer shell 105, or the inner shell 107 may be arranged on the outer side of the cover plate 106, so that the first air duct 102 can be arranged outside the cover plate 106, so that the first air duct 102 can communicate with the top of the first dirt storage chamber 101, and the box 100 can have an outlet 104 communicating with the first air duct 102. All of these can achieve the effect of this embodiment.

[0063] Furthermore, in this embodiment, the outlet 104 is arranged on the cover plate 106, and the connecting port 1021 is arranged on the side of the inner shell 107 to achieve communication between the first air duct 102 and the top of the first sludge storage chamber 101. This allows the separated air to directly enter the interior of the first air duct 102 through the connecting port 1021. At the same time, the location of the connecting port 1021 on the side of the inner shell 107 can also increase the usable volume of the first sludge storage chamber 101, maximizing the use of space. In other embodiments, the connecting port 1021 can also be arranged on the bottom surface of the inner shell 107, ensuring that the height of the connecting port 1021 is higher than the maximum set volume of the first sludge storage chamber 101, so as to prevent sewage from entering the first air duct 102 when the first sludge storage chamber 101 is not full.

[0064] In this embodiment, the cover plate 106 has an opening 1061. The cover plate 106 also includes a mounting plate 1062 detachably disposed at the opening 1061, and the first detection element 200 is disposed on the mounting plate 1062. By disassembling the mounting plate 1062, the first detection element 200 can be simultaneously disassembled and assembled, facilitating the maintenance and disassembly of the first detection element 200 and preventing false alarms.

[0065] In this embodiment, the outlet 104 is arranged on the mounting plate 1062, and only the opening 1061 is provided on the cover plate 106, which helps to simplify the structure of the cover plate 106 and reduce costs. In other embodiments, the outlet 104 may not be arranged on the mounting plate 1062, for example, it may be arranged in other positions on the cover plate 106.

[0066] The structure of the first detection component 200 is described in detail below, such as... Figure 2 As shown, in this embodiment, the first detection element 200 includes two first electrodes 201 arranged at relative intervals. When the water content of the airflow inside the first air duct 102 reaches a set value, the two first electrodes 201 will be turned on, thereby realizing water detection.

[0067] In this embodiment, the first electrode 201 is a vertically arranged cylindrical electrode, and the top end of the first electrode 201 is connected to the cover plate 106, and a gap is formed between the bottom end and the inner shell 107. When water is detected and an alarm is triggered to stop the fan, the water on the first electrode 201 can also drip down along the annular surface of the first electrode 201 to the bottom surface of the inner shell 107, thereby achieving the purpose of deactivating the water detection alarm.

[0068] Understandably, in order to improve the sensitivity of water detection, the length of the first electrode 201 can be increased as much as possible. At the same time, there can be no gap between the bottom end of the first electrode 201 and the inner shell 107. The tilt angle of the bottom surface of the inner shell 107 can be adjusted accordingly so that the water dripping from the annular surface of the first electrode 201 can flow away along the bottom surface of the inner shell 107, thus avoiding false alarms of water presence and achieving the effect of this embodiment.

[0069] In other embodiments, the first electrode 201 may not be arranged vertically. For example, the extension direction of the first electrode 201 may be inclined relative to the vertical direction. The first electrode 201 can be extended vertically as a whole, so as to quickly clear the water detection alarm after the fan stops working. All of these can achieve the effect of this embodiment.

[0070] In addition, the first electrode 201 may not be a cylindrical electrode. For example, the first electrode 201 may be a cylindrical electrode with a square, polygonal, or irregular cross-section. Alternatively, the first electrode 201 may be a planar electrode of other forms to increase the contact area between the first electrode 201 and the airflow.

[0071] For example, please refer to Figure 3 , Figure 3 This is a cross-sectional structural schematic diagram of another embodiment of the water tank in this application. Figure 4 This is a schematic diagram of one embodiment of the first testing component installation structure of this application.

[0072] like Figure 3 and Figure 4 As shown, in this embodiment, the first electrode 201 can be a mesh planar electrode, and two mesh planar electrodes are arranged in parallel and spaced apart on the mounting plate 1062. When the water content of the airflow in the first air duct 102 reaches a preset value, the two mesh planar electrodes can be turned on to realize water detection. After the fan stops working, the water on the two mesh planar electrodes will slowly drip down, thereby achieving the purpose of deactivating the water detection alarm.

[0073] To maximize the contact area between the first electrode 201 and the airflow and improve detection sensitivity, in this embodiment, the plane on which the first electrode 201 is located can be distributed perpendicular to the airflow direction, and the first electrode 201 can cover the entire cross-section of the first air duct 102. Of course, in other embodiments, the plane on which the first electrode 201 is located may not be distributed perpendicular to the airflow direction, as long as the plane on which the first electrode 201 is located is not parallel to the airflow direction. At the same time, the first electrode 201 may only cover a part of the cross-section of the first air duct 102, which can also achieve the purpose of water detection.

[0074] In the above embodiments, the airflow directly contacts the first electrode 201 through the connecting port 1021. During the movement of the cleaning equipment, sewage may surge and overflow into the first air duct 102, causing the first detection element 200 to alarm prematurely, resulting in a false alarm. To avoid the above problem, please refer to... Figure 5 and Figure 6 , Figure 5 This is a cross-sectional structural schematic diagram of another embodiment of the water tank in this application. Figure 6 This is a schematic diagram of another embodiment of the first testing component installation structure of this application.

[0075] like Figure 5 and Figure 6 As shown, in this embodiment, a water-absorbing component 300 is also arranged in the first air duct 102. The water-absorbing component 300 is arranged on the side of the first detection component 200 near the connection port 1021. The water-absorbing component 300 can block and absorb part of the water liquid, avoiding false alarms caused by sewage surge overflow.

[0076] The absorbent component 300 can be made of any material with breathable and absorbent properties, such as HEPA or sponge, which can achieve the effect of this embodiment.

[0077] In this embodiment, the water-absorbing component 300 is mounted on the mounting plate 1062 via the bracket 108. When the mounting plate 1062 is removed, the water-absorbing component 300 can be disassembled simultaneously, which facilitates the maintenance of the water-absorbing component 300. In other embodiments, the water-absorbing component 300 can also be installed in other positions. For example, the water-absorbing component 300 can be directly arranged on the inner side of the cover plate 106 or directly arranged on the inner shell 107, which can also achieve the effect of this embodiment.

[0078] In the above embodiments, the first air duct 102 is generally a straight structure. Airflow enters through the connecting port 1021 on the side of the inner shell 107, makes a 90° turn under the guidance of the inner shell 107, and then travels in a straight line to below the outlet 104. It then makes another 90° turn under the guidance of the inner shell 107 and finally exits through the upper outlet 104. In other embodiments, the first air duct 102 may also adopt a non-linear structure, thereby optimizing the detection sensitivity of the first detection element 200 and reducing airflow resistance.

[0079] Specifically, please refer to Figure 7 and Figure 8 , Figure 7 This is a cross-sectional structural schematic diagram of another embodiment of the water tank in this application. Figure 8 yes Figure 7 A magnified view of part A in the diagram.

[0080] like Figure 7 and Figure 8 As shown, in this embodiment, the housing 100 also includes a guide plate 109 arranged between the inner shell 107 and the cover plate 106, and the guide plate 109, the inner shell 107 and the cover plate 106 surround to form a first air duct 102.

[0081] Among them, the surface of the guide plate 109 is formed with a guide slope 1091 extending from the side of the inner shell 107 away from the cover plate 106 to the side of the outlet 104, and the first detection element 200 extends to the guide slope 1091.

[0082] In this embodiment, as the airflow travels in a straight line to below the outlet 104, the airflow inertially impacts the guide slope 1091, causing water contained in the airflow to remain on the guide slope 1091. The first detection element 200 extends onto the guide slope 1091, enabling timely detection of the water and improving the detection sensitivity of the first detection element 200. Simultaneously, the guiding effect of the guide slope 1091 reduces airflow resistance and increases airflow rate.

[0083] In this embodiment, the guide slope 1091 is an arc-shaped transition surface, which helps to further reduce the resistance to airflow and play a guiding role. In other embodiments, the guide slope 1091 can also be an inclined plane, or it can be partly plane and partly arc, which can also achieve the effect of this embodiment to a certain extent.

[0084] In this embodiment, a protruding ridge 1092 is also arranged on the guide slope 1091, so that the water remaining on the guide surface can be retained on the protruding ridge 1092, thereby forming a water storage area 1093 on the side of the protruding ridge 1092 near the outlet 104. The first detection element 200 extends to the water storage area 1093. When the humidity of the air inside the first air duct 102 is too high, the water vapor will be blocked by the guide slope 1091 and flow to the water storage area 1093. After the first detection element 200 detects the water in the water storage area 1093, it can control the fan to shut down in time. Compared with the guide slope 1091 without the protruding ridge 1092 structure, the detection sensitivity of the first detection element 200 can be further improved.

[0085] In this embodiment, the guide plate 109 and the mounting plate 1062 are integrally formed. The end of the guide plate 109 abuts against the bottom surface of the inner shell 107, allowing the guide plate 109 to be installed and removed simultaneously when the mounting plate 1062 is disassembled. In other embodiments, the guide plate 109 may not be integrally formed with the mounting plate 1062. For example, the guide plate 109 may be mounted on the inner shell 107 and abut against the mounting plate 1062, achieving the same effect as this embodiment.

[0086] Alternatively, in some embodiments, the guide plate 109 can be omitted, and the side wall of the inner shell 107 near the outlet 104 can be directly designed as a guide slope 1091, which can also achieve the effect of this embodiment.

[0087] Please continue reading. Figure 1 In this embodiment, a second dirt storage chamber 110 is also formed inside the box body 100. The second dirt storage chamber 110 is connected to the bottom of the first dirt storage chamber 101 through the connection port 1101, and the box body 100 has an exhaust hole 111 that is connected to the top of the second dirt storage chamber 110.

[0088] Understandably, the air extraction hole 111 can create a negative pressure in the second waste storage chamber 110, thereby drawing the water at the bottom of the first waste storage chamber 101 into the second waste storage chamber 110 for storage, achieving the purpose of solid-liquid separation. The first waste storage chamber 101 is used to store solid waste, and the second waste storage chamber 110 is used to store sewage.

[0089] In order to prevent solid waste from clogging the channel between the first waste storage chamber 101 and the second waste storage chamber 110, a filter plate 112 is also arranged at the bottom of the first waste storage chamber 101 in this embodiment.

[0090] In order to detect whether the sewage inside the second sewage storage chamber 110 is full, a second detection element 400 is also arranged on the top of the second sewage storage chamber 110 in this embodiment. The second detection element 400 is used to detect whether the sewage level in the second sewage storage chamber 110 reaches a threshold.

[0091] Specifically, in this embodiment, both the air extraction port 111 and the second detection element 400 are arranged on the cover plate 106. Please refer to [link / reference]. Figure 9 , Figure 9 This is a structural schematic diagram of one embodiment of the cover plate of this application.

[0092] like Figure 9 As shown, the inner side of the cover plate 106 is provided with a first sealing ring 1063 and a second sealing ring 1064, which correspond to the positions of the first dirt storage chamber 101 and the second dirt storage chamber 110, respectively.

[0093] The second detection element 400 is arranged on the inner side of the cover plate 106 and is located within the area enclosed by the second sealing ring 1064. The second detection element 400 includes a pair of second electrodes 401 arranged at relative intervals. When the sewage level in the second sewage storage chamber 110 reaches the height of the second electrodes 401, the pair of second electrodes 401 can be connected to achieve primary water detection.

[0094] Because the cleaning equipment is in a moving state during operation, the sewage inside the second sewage storage chamber 110 will shake and generate surges. The surges will contact the second electrode 401, causing the second electrode 401 to conduct prematurely, resulting in an early alarm problem.

[0095] To avoid premature alarms caused by surges, in this embodiment, the cover plate 106 further includes a baffle portion 1065 surrounding each second electrode 401. A notch 10651 is provided on the circumferential surface of the baffle portion 1065 at the end opposite to the cover plate 106. The baffle portion 1065 can block surges caused by sewage agitation, preventing surges from contacting the second electrode 401 and causing premature alarms. Simultaneously, the presence of the notch 10651 ensures that when the sewage level reaches the height of the second electrode 401, the pair of second electrodes 401 can be properly connected.

[0096] Furthermore, in this embodiment, the cover plate 106 also includes two first blocking parts 1066 arranged on the inner side, and the second detection element 400 is arranged in the area enclosed by the two first blocking parts 1066. The first blocking parts 1066 can further block the surge generated by the sloshing of sewage and prevent the second detection element 400 from alarming prematurely.

[0097] Specifically, in this embodiment, the two first blocking parts 1066 are arranged on both sides of the second detection element 400 in the direction of movement of the cleaning equipment, which helps to intercept and drop the surge formed by the user's pushing and pulling action during the use of the cleaning equipment; in other embodiments, the number and arrangement of the first blocking parts 1066 can also be adjusted according to actual needs. For example, four first blocking parts 1066 arranged in a rectangular distribution can also be arranged on the inner side of the cover plate 106, etc., all of which can achieve the effect of this embodiment to a certain extent.

[0098] In this embodiment, the vent 111 is positioned at the gap between the two second electrodes 401, so that the first blocking part 1066 and the second blocking part 1067 can also prevent the surge generated by the sloshing of sewage from entering the vent 111, thus avoiding sewage overflow. In other embodiments, the vent 111 can also be positioned at other locations, such as on one side of the second detection element 400.

[0099] In this embodiment, the inner side of the cover plate 106 is also provided with a second blocking part 1067 located on both sides of the air extraction hole 111. The first blocking part 1066 can further block the surge generated by the sloshing of sewage and prevent sewage from overflowing into the air extraction hole 111.

[0100] In this embodiment, two second blocking parts 1067 are arranged on both sides of the air extraction hole 111 in the direction of movement of the cleaning equipment, which helps to intercept and drop the surge formed by the user's pushing and pulling action during the use of the cleaning equipment. In other embodiments, the number and arrangement of the second blocking parts 1067 can be adjusted according to actual needs. For example, four second blocking parts 1067 distributed in a rectangular pattern can be arranged on the inner side of the cover plate 106, etc., all of which can achieve the effect of this embodiment to a certain extent.

[0101] For further details, please refer to Figure 10 , Figure 10 yes Figure 9 A partially enlarged schematic diagram of B. In this embodiment, the vent 111 includes an overflow prevention section 1111 located near one end of the second sludge storage chamber 110. The diameter of the overflow prevention section 1111 gradually decreases in the direction away from the second sludge storage chamber 110, which can effectively prevent the top sewage from overflowing into the vent 111.

[0102] Based on the above embodiments, the water tank 10 has a first sludge storage chamber 101, a second sludge storage chamber 110 and a first air duct 102 formed inside the tank body 100. The first air duct 102 is provided with a first detection element 200 and the second sludge storage chamber 110 is provided with a second detection element 400 at the top. The first detection element 200 and the second detection element 400 can realize two-level water presence detection, effectively preventing sewage from flowing into the subsequent air duct and blower.

[0103] This application also provides a floor brush component; please refer to [link / reference]. Figure 11 , Figure 11 This is a cross-sectional structural diagram of one embodiment of the brush component of this application.

[0104] like Figure 11 As shown, the floor brush assembly 1 is used to connect with the suction generating mechanism, and the floor brush assembly 1 has a water tank 10 built into any of the above embodiments. The water tank 10 can realize the gas-solid-liquid separation of sewage and garbage generated during the cleaning process, and realize two-stage water detection, effectively preventing sewage from flowing into the subsequent air duct and fan.

[0105] This application also provides a cleaning device; please refer to [link / reference]. Figure 12 , Figure 12 This is a cross-sectional structural diagram of one embodiment of the cleaning equipment of this application.

[0106] like Figure 12 As shown, the cleaning device includes the floor brush assembly 1 of any of the above embodiments, as well as a handheld assembly 3 and a connecting rod assembly 2, with the handheld assembly 3, the connecting rod assembly 2 and the floor brush assembly 1 connected in sequence.

[0107] The connecting rod assembly 2 has a second air duct 20 inside, and the handheld assembly 3 has a third air duct 30 inside. The first air duct 102, the second air duct 20 and the third air duct 30 are connected in sequence.

[0108] The handheld component 3 can be equipped with a fan. The fan generates suction to draw the sewage and garbage generated during the cleaning process into the water tank 10. After gas-liquid-solid separation, the gas passes through the first air duct 102, the second air duct 20 and the third air duct 30 in sequence before being discharged.

[0109] To further prevent sewage from flowing into the blower, a third detection element 31 is provided inside the third air duct 30 in this embodiment. The third detection element 31 can be composed of two relatively spaced electrodes with a structure similar to that of the first detection element 200 and the second detection element 400. Alternatively, any other element commonly used in the art that can realize airflow humidity detection can be used to achieve the effect of this embodiment.

[0110] It should be noted that in this embodiment, the third detection element 31 is arranged in the third air duct 30. In other embodiments, the third detection element 31 can also be arranged in the second air duct 20, or arranged in both the second air duct 20 and the third air duct 30. All of these can achieve the effect of this embodiment.

[0111] This embodiment realizes the third level of water detection based on the third detection element 31. The cleaning equipment is equipped with three levels of water detection at different locations. In some extreme cases, even if the first or second level of water detection fails, water detection alarm can still be realized to ensure that the fan can stop working in time and avoid water entering the entire air duct and the fan.

[0112] It will be apparent to those skilled in the art that this disclosure is not limited to the details of the exemplary embodiments described above, and that this disclosure can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of this disclosure is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this disclosure. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0113] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A water tank, characterized in that, include: The housing has a first sludge storage chamber and a first air duct inside. The housing has an inlet communicating with the first sludge storage chamber and an outlet communicating with the first air duct. The first air duct is connected to the top of the first sludge storage chamber. The first detection element is arranged inside the first air duct, and the first detection element is used to detect whether there is water in the first air duct.

2. The water tank according to claim 1, characterized in that, The housing includes an outer shell with an opening at one end and a cover plate covering the opening. The housing also includes an inner shell arranged on the outer or inner side of the cover plate, and the first air duct is formed between the inner shell and the cover plate.

3. The water tank according to claim 2, characterized in that, The inner shell is arranged on the inner side of the cover plate, the outlet is arranged on the cover plate, and the side or bottom surface of the inner shell is provided with a communication port that connects to the top of the first dirt storage chamber.

4. The water tank according to claim 3, characterized in that, The housing also includes a guide plate arranged between the inner shell and the cover plate. The guide plate, the inner shell and the cover plate form the first air duct. The surface of the guide plate is formed with a guide slope extending from the side of the inner shell away from the cover plate to the side of the outlet. The first detection element extends from the inner side of the cover plate to the guide slope.

5. The water tank according to claim 4, characterized in that, The guide slope is an arc surface; and / or, The guide slope is provided with protruding ridges to form a water storage area on the side of the protruding ridges near the outlet, and the first detection element extends from the inner side of the cover plate to the water storage area.

6. The water tank according to claim 2, characterized in that, The cover plate has an opening at a position corresponding to the first air duct. The cover plate includes a mounting plate that is detachably installed at the opening, and the first detection element is arranged on the mounting plate.

7. The water tank according to claim 1, characterized in that, The first detection element includes a pair of first electrodes arranged at a relative interval.

8. The water tank according to claim 7, characterized in that, The first electrode is a cylindrical electrode; or, The first electrode is a mesh planar electrode, and the plane in which the first electrode is located forms an angle with the flow direction of the fluid in the first air duct.

9. The water tank according to claim 1, characterized in that, It also includes a water-absorbing component arranged in the first air duct, the water-absorbing component being arranged on the side of the first detection component near the connection port.

10. The water tank according to claim 1, characterized in that, The box body also has a second sewage storage chamber for storing sewage. The second sewage storage chamber is connected to the bottom of the first sewage storage chamber. The box body has an air extraction hole that is connected to the top of the second sewage storage chamber, so that a negative pressure can be formed inside the second sewage storage chamber to draw out the sewage in the first sewage storage chamber. The water tank also includes a second detection element arranged on the top of the second sewage storage chamber, which is used to detect whether the sewage level in the second sewage storage chamber reaches a threshold.

11. The water tank according to claim 10, characterized in that, The housing includes an outer shell with an opening at one end and a cover plate covering the opening. The outer shell and the cover plate form the second dirt storage chamber. The second detection element is arranged on the inner side of the cover plate, and the air extraction hole is arranged on the cover plate.

12. The water tank according to claim 11, characterized in that, The cover plate further includes a retaining portion surrounding the second detection element, wherein a notch is provided on the circumferential surface of the retaining portion opposite to the end of the cover plate; and / or, The cover plate further includes a plurality of first blocking portions arranged on its inner side, and the second detection element is arranged within the area enclosed by the plurality of first blocking portions; and / or, The second detection element includes a pair of second electrodes disposed at a relative interval, the suction port being arranged between the pair of second electrodes; and / or, The cover plate further includes a plurality of second blocking portions arranged on the inner side, and the air extraction hole is arranged within the area enclosed by the plurality of second blocking portions; and / or, The air extraction port includes an overflow prevention section located near one end of the second sludge storage chamber, and the diameter of the overflow prevention section gradually decreases in the direction away from the second sludge storage chamber.

13. A floor brush assembly, characterized in that, Includes the water tank as described in any one of claims 1 to 12.

14. A cleaning device, characterized in that, It includes a handheld assembly, a connecting rod assembly, and the floor brush assembly as described in claim 13, which are connected in sequence.

15. The cleaning equipment according to claim 14, characterized in that, A second air duct is formed inside the connecting rod assembly, and a third air duct is formed inside the handheld assembly; The first air duct, the second air duct, and the third air duct are connected in sequence. The cleaning equipment also includes a third detection element arranged in the second air duct and / or the third air duct. The third detection element is used to detect whether there is water in the second air duct and / or the third air duct.

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