Water-gas separator and cleaning equipment

Abstract

The invention discloses a water-gas separator and cleaning equipment. The water-gas separator comprises a first frame body and a second frame body, the first frame body is provided with a first slow flow cavity and an air inlet communicated with the first slow flow cavity; at least part of the structure of the second frame body is located in the first slow flow cavity and connected with the first frame body, the second frame body is provided with a second slow flow cavity, the second slow flow cavity is communicated with the first slow flow cavity, and the second frame body is further provided with an air outlet communicated with the second slow flow cavity; air flow sequentially passes through the air inlet, the first slow flow cavity, the second slow flow cavity and the air outlet. The water-gas separator is high in water-gas separation capacity, and the situation that airflow entering the fan still carries much water vapor can be prevented.

Description

Technical Field

[0001] The present application relates to the field of cleaning technology, and in particular to a water-gas separator and cleaning equipment. Background Art

[0002] Water-absorbing cleaning equipment can absorb sewage from the ground, carpets, fabrics, etc. through a fan. After the sewage enters the cleaning equipment, it will be stored in the sewage tank, and the airflow will pass through the sewage tank into the fan, and finally flow to the outside from the exhaust port of the cleaning equipment. In related technologies, a water-gas separator is generally set before the air inlet of the fan, and the water and gas are separated by the water-gas separator to prevent the airflow from carrying a large amount of water vapor into the fan and affecting the performance of the fan.

[0003] However, the water vapor separator in the related art usually adopts a filtering structure to filter out part of the water vapor in the airflow, and the water vapor separation ability is poor, resulting in that the airflow entering the fan still carries a lot of water vapor. Summary of the invention

[0004] The present application provides a water vapor separator and a cleaning device. The water vapor separator has a strong water vapor separation capability and can prevent the airflow entering the fan from still carrying a lot of water vapor.

[0005] In the first aspect, the present application provides a water-gas separator, comprising: a first frame, having a first slow flow chamber and an air inlet connected to the first slow flow chamber; a second frame, at least part of the structure of which is located in the first slow flow chamber and is connected to the first frame, the second frame having a second slow flow chamber, the second slow flow chamber being connected to the first slow flow chamber, and the second frame also having an air outlet connected to the second slow flow chamber; wherein the airflow passes through the air inlet, the first slow flow chamber, the second slow flow chamber and the air outlet in sequence.

[0006] In the second aspect, the present application also provides a cleaning device, comprising: a body, having a sewage suction port; a sewage tank, arranged on the body, the sewage tank comprising a box body and a cover body, the box body having a sewage cavity and a sewage inlet and an opening connected to the sewage cavity, the sewage inlet is connected to the sewage suction port, the cover body covers the opening, the cover body comprises a water-gas separator, the air inlet is connected to the sewage cavity; a fan, installed on the body, the air inlet of the fan is connected to the air outlet, and the air flow generated by the fan passes through the sewage suction port, the sewage cavity, the air inlet, the air outlet and the air inlet in sequence.

[0007] The beneficial effects of the present application are as follows: by arranging the first slow flow chamber and the second slow flow chamber in the water vapor separator, the air flow has a sufficiently long flow path in the process of flowing from the sewage chamber to the air inlet to the air outlet, so that most of the water vapor carried in the air flow can be separated from the gas under the action of gravity, and the purpose of water vapor separation can be fully achieved. The water vapor separation ability of the water vapor separator is strong, which can prevent the air flow entering the fan from still carrying a lot of water vapor. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related technologies, the drawings required for use in the embodiments or the related technical descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0009] Figure 1 This is a schematic diagram of the structure of a cover body in one embodiment of the present application;

[0010] Figure 2 This is a schematic diagram of the exploded components of a water-gas separator in one embodiment of the present application;

[0011] Figure 3 This is a schematic diagram of the structure of the first frame and the second frame in one embodiment of the present application;

[0012] Figure 4 This is a schematic diagram of the structure of a cleaning device in one embodiment of the present application;

[0013] Figure 5 This is a schematic diagram of the components of a cleaning device in one embodiment of the present application;

[0014] Figure 6 This is a schematic diagram of the internal structure of a cleaning device in one embodiment of the present application;

[0015] Figure 7 This is a schematic diagram of the exploded components of a sewage tank in one embodiment of the present application;

[0016] Figure 8 This is a schematic diagram of the exploded components of a cover body in one embodiment of the present application;

[0017] Fig. 9 This is a schematic diagram of the structure of a box in one embodiment of the present application;

[0018] Fig.10 This is a schematic diagram of the structure of a flat brush assembly in one embodiment of the present application;

[0019] Fig.11 This is a schematic diagram of a circuit framework of a condensation sensor in one embodiment of the present application;

[0020] Fig.12 A curve diagram showing the change of resistance and humidity in one embodiment of the present application;

[0021] Fig.13 Schematic diagram of the circuit structure of a condensation sensor in one embodiment of the present application;

[0022] Fig.14 This is a schematic structural diagram of a cleaning device in another embodiment of the present application;

[0023] Fig.15 for Fig.14 Schematic diagram of the enlarged structure at point B in the middle. DETAILED DESCRIPTION

[0024] The present application provides a water vapor separator and a cleaning device to solve the problem that the water vapor separation ability of the water vapor separator in the related art is poor, resulting in the air flow entering the fan still carrying a lot of water vapor.

[0025] In a first aspect, the present application provides a water-gas separator, such as Figures 1 to 3 As shown, the water vapor separator 41 has an air inlet 411a and an air outlet 412a. It should be noted that, as the name implies, the water vapor separator 41 is a device with a water vapor separation function. The airflow flowing to the air inlet 411a will pass through the water vapor separator 41 and flow out from the air outlet 412a. The water vapor separator 41 can separate the water vapor carried in the airflow from the gas to achieve the purpose of water vapor separation.

[0026] Specifically, the water-gas separator 41 includes a first frame 411 and a second frame 412. The first frame 411 has a first slow flow chamber 411b and an air inlet 411a connected to the first slow flow chamber 411b. At least part of the structure of the second frame 412 is located in the first slow flow chamber 411b and is connected to the first frame 411. The second frame 412 has a second slow flow chamber 412b, which is connected to the first slow flow chamber 411b. The second frame 412 also has an air outlet 412a, which is connected to the second slow flow chamber 412b.

[0027] The airflow passes through the air inlet 411a, the first slow flow chamber 411b, the second slow flow chamber 412b and the air outlet 412a in sequence. Figure 1 As shown, Figure 1 The direction indicated by the dashed arrow is the air flow direction. When the water-gas separator 41 is applied to a cleaning device, the air outlet 412a is connected to the fan 80 (such as Figure 6 ) of the air inlet 81 (such as Figure 6) are connected, and the airflow generated by the fan 80 passes through the air inlet 411a, the first slow flow chamber 411b, the second slow flow chamber 412b and the air outlet 412a in sequence, and then enters the fan 80 through the air inlet 81.

[0028] It should be noted that in the present application, by setting the first slow flow chamber 411b and the second slow flow chamber 412b in the water vapor separator, the air flow has a sufficiently long flow path when flowing from the sewage chamber 31 to the air inlet 411a to the air outlet 412a, so that most of the water vapor carried in the air flow can be separated from the gas under the action of gravity, and the purpose of water vapor separation can be fully achieved. The water vapor separation ability of the water vapor separator 41 is strong, which can prevent the air flow entering the fan 80 from still carrying a lot of water vapor.

[0029] Continue to see Figures 1 to 3 As shown, in some embodiments of the present application, a first vent 412c is provided on the second frame 412, and the second slow flow chamber 412b is connected to the first slow flow chamber 411b through the first vent 412c, and the air flow in the first slow flow chamber 411b flows into the second slow flow chamber 412b via the first vent 412c.

[0030] In one embodiment of the present application, the air outlet 412a and the first air vent 412c may be located on the same side of the second frame 412. Figure 1 As shown, after the airflow flows through the first vent 412c to the second slow flow chamber 412b, the airflow needs to change direction and flow to the air outlet 412a. The airflow needs to change direction multiple times during the flow process to achieve the purpose of water vapor separation through baffle separation. The principle of baffle separation is: due to the different specific gravity of gas and liquid, when the liquid and gas are mixed and flow together, if there is an obstacle, the gas will baffle and go away, while the liquid will continue to have a forward speed due to inertia. The forward liquid will separate from the gas under the action of gravity, thereby achieving water vapor separation. Specifically in this embodiment, refer to Figure 1 From the perspective shown, the first air vent 412c and the air outlet 412a are both located at the top of the second frame 412. After the airflow flows downward through the first air vent 412c into the second slow flow chamber 412b, the airflow needs to flow upward to the air outlet 412a. In other embodiments, the first air vent 412c and the air outlet 412a may also be located at the front side, rear side, left side, right side or bottom of the second frame 412, and no sole limitation is made here. Of course, in some embodiments, the first air vent 412c and the air outlet 412a may also be located at different sides of the second frame 412, for example, the first air vent 412c is located at the top of the second frame 412, the air outlet 412a is located at the right side of the second frame 412, and so on.

[0031] In one embodiment of the present application, the first vent 412c is higher than the air inlet 411a, and the air outlet 412a is higher than the air inlet 411a and lower than the first vent 412c. Figure 1 As shown, when the first vent 412c is higher than the air inlet 411a, after the airflow enters the first slow flow chamber 411b from the air inlet 411a, the airflow needs to flow upward and bend to enter the first vent 412c, which can increase the length of the airflow flow path and the number of changes in direction during the airflow flow, thereby increasing the number of baffle separations to achieve a better water vapor separation effect. When the air outlet 412a is higher than the air inlet 411a and lower than the first air outlet 412c, the path length of the airflow from the first vent 412c to the air outlet 412a can be further increased, so that the water vapor carried in the airflow has enough time to separate from the gas, so as to achieve a better water vapor separation effect. In other embodiments, the air outlet 412a can also be flush with the height of the first vent 412c, or higher than the first vent 412c. Alternatively, in some embodiments, compared to the air inlet 411 a, the first vent 412 c may be flush with the air inlet 411 a or lower than the air inlet 411 a.

[0032] Furthermore, the air outlet 412a and the first air vent 412c are both located on the side of the second frame 412 away from the air inlet 411a, and a ventilation gap is provided between the second frame 412 and the inner wall of the first slow flow chamber 411b. Figure 1 and Figure 3 As shown, after the airflow enters the first slow flow chamber 411b through the air inlet 411a, the airflow needs to go around the ventilation gap located on the outer periphery of the second frame 412 to the top of the second frame 412, and then enter the second slow flow chamber 412b from the first air vent 412c, which can further increase the path length and the number of changes in direction of the airflow from the air inlet 411a to the air outlet 412a, so as to achieve a better water vapor separation effect. Specifically in this embodiment, refer to Figure 1 From the perspective shown, the air inlet 411a is disposed at the bottom of the first frame 411, and the air outlet 412a and the first air vent 412c are both disposed at the top of the second frame 412. In other embodiments, at least one of the air outlet 412a and the first air vent 412c may also be disposed on a side of the second frame 412 close to the air inlet 411a, for example, the first air vent 412c is disposed at the bottom of the second frame 412, and the air outlet 412a is disposed at the top of the second frame, etc.

[0033] Continue to see Figures 1 to 3As shown, in one embodiment of the present application, the second frame 412 may include a main body 412d and a deflection portion 412e; the main body 412d has a second slow flow chamber 412b and an air outlet 412a; the deflection portion 412e is connected to the main body 412d, and the first air vent 412c is located on the side of the deflection portion 412e away from the main body 412d, the deflection portion 412e has a deflection channel 412f, and the first air vent 412c is connected to the second slow flow chamber 412b through the deflection channel 412f.

[0034] It is understandable that if Figure 1 As shown, after the airflow flows out of the first slow flow cavity 411b, the airflow continues to flow to the first vent 412c, and then the airflow enters the second slow flow cavity 412b through the baffle channel 412f. The baffle channel 412f can increase the path length of the airflow flow, and can achieve a good water-gas separation effect. Among them, the main body 412d and the baffle 412e can be integrally formed, and the main body 412d and the baffle 412e can also be formed separately and spliced ​​by gluing, welding, screw connection or riveting.

[0035] Continue to see Figures 1 to 3 As shown, in some embodiments of the present application, the water vapor separator 41 also includes a third frame 413, the third frame 413 is connected to the first frame 411, and the third frame 413 is provided with a second air vent 413a connected to the air outlet 412a. The second frame 412 is located in a space formed by the connection of the first frame 411 and the third frame 413. After the air flow passes through the air outlet 412a, it can flow out of the water vapor separator 41 through the second air vent 413a. When producing the water vapor separator 41, the second frame 412 can be connected to the first frame 411 or the third frame 413 first, and then the third frame 413 can be assembled with the first frame 411, so that the assembly of the water vapor separator 41 is more convenient.

[0036] Optionally, the second frame 412 is detachably connected to the first frame 411, and the third frame 413 is detachably connected to the first frame 411, so that the water-gas separator 41 can be disassembled and cleaned, thereby making it more convenient to clean the first slow flow chamber 411b and the second slow flow chamber 412b.

[0037] Continue to refer to Figures 1 to 3 As shown, in one embodiment of the present application, the water-gas separator 41 further includes an extension structure 413c, and the extension structure 413c has an air flow channel 413d extending from the air outlet 412a to the second air vent 413a. It can be understood that the air flow channel 413d can guide the air flow from the air outlet 412a to the second air vent 413a. Among them, the extension structure 413c can be integrally formed with the second frame 412 or the third frame 413.

[0038] Continue to refer to Figures 1 to 3 As shown, in some embodiments of the present application, a first drain hole 411c communicating with the first slow flow chamber 411b is provided on the first frame 411, and a second drain hole 412g communicating with the second slow flow chamber 412b is provided on the second frame 412. The water vapor in the first slow flow chamber 411b can be discharged through the first drain hole 411c, and the water vapor in the second slow flow chamber 412b can be discharged through the second drain hole 412g.

[0039] The water vapor separator 41 further includes an opening and closing structure 414, which is connected to the first frame 411 and is used to open or close the first drainage hole 411c. When the water vapor separator 41 is in use, the first drainage hole 411c can be closed by the opening and closing structure 414 to prevent the airflow outside the water vapor separator 41 from entering the first slow flow chamber 411b through the first drainage hole 411c, that is, to ensure that the airflow basically enters the first slow flow chamber 411b from the air inlet 411a; when drainage is required, the first drainage hole 411c can be opened so that the water vapor in the first slow flow chamber 411b can be discharged through the first drainage hole 411c.

[0040] Furthermore, a third drainage hole 411d is provided on the first frame 411, a drainage channel 415 connecting the third drainage hole 411d and the second drainage hole 412g is provided between the third drainage hole 411d and the second drainage hole 412g, and the opening and closing structure 414 is also used to open or close the third drainage hole 411d. It can be understood that when the water vapor separator 41 is used, the third drain hole 411d can be closed by the opening and closing structure 414 to prevent the airflow outside the water vapor separator 41 from entering the second slow flow chamber 412b through the third drain hole 411d and the second drain hole 412g, that is, to ensure that the airflow basically enters the second slow flow chamber 412b from the first vent 412c to ensure that the airflow has a longer flow path; when drainage is required, the third drain hole 411d can be opened to allow the water vapor in the second slow flow chamber 412b to be discharged in turn through the second drain hole 412g, the drainage channel 415 and the third drain hole 411d. When drainage is performed, the water vapor in the first slow flow chamber 411b and the water vapor in the second slow flow chamber 412b are discharged separately through the first drain hole 411c and the third drain hole 411d, respectively.

[0041] It is worth mentioning that the drainage channel 415 is integrally formed with at least part of the structure of the second frame 412 or at least part of the structure of the first frame 411. When the drainage channel 415 is integrally formed with at least part of the structure of the second frame 412, the drainage channel 415 is sealed and docked with the first frame 411 to isolate the drainage channel 415 from the first slow flow chamber 411b. When the drainage channel 415 is integrally formed with at least part of the structure of the first frame 411, the drainage channel 415 is sealed and docked with the second frame 412 to isolate the drainage channel 415 from the first slow flow chamber 411b.

[0042] In some embodiments, the drainage channel 415 can be omitted or the drainage channel 415 and the third drainage hole 411d can be omitted at the same time. In this case, a small part of the airflow entering the first slow flow chamber 411b will directly enter the second slow flow chamber 412b from the second drainage hole 412g, and the other part will enter the second slow flow chamber 412b from the first vent 412c.

[0043] Continue to see Figure 1 and Figure 3 As shown, in one embodiment of the present application, the opening and closing structure 414 is arranged on the outside of the first slow flow chamber 411b, and the opening and closing structure 414 has a connecting end 414a and a free end 414b arranged opposite to the connecting end 414a, the connecting end 414a is connected to the first frame 411, and the free end 414b is used to swing relative to the connecting end 414a in a direction away from the first frame 411 under the action of liquid. It should be noted that when the water-gas separator 41 is in use, the free end 414b naturally fits with the first frame 411 to close the first drainage hole 411c. When the fan 80 is started, the free end 414b is in closer contact with the first frame 411 under the suction of the airflow generated by the fan 80, thereby ensuring that the first drainage hole 411c and the third drainage hole 411d are in a closed state; when the fan 80 stops working or the second slow flow chamber 412b is flushed, the free end 414b can swing relative to the connecting end 414a in a direction away from the first frame 411 under the action of the gravity and impact force of the liquid to open the first drainage hole 411c and the third drainage hole 411d.

[0044] The opening and closing structure 414 can be made of a hard material, and the opening and closing structure 414 is rotatably connected to the first frame 411. A torsion spring can be provided on the opening and closing structure 414, and the torsion spring is used to provide the opening and closing structure 414 with an elastic force to keep the free end 414b in contact with the first frame 411, so that the first drainage hole 411c and the third drainage hole 411d remain closed, which can ensure that when the water vapor separator 41 is in use, the first drainage hole 411c and the third drainage hole 411d are in a closed state, and when drainage is required, the water vapor separator 41 can be used to drain the water vapor. The gravity causes the free end 414b to swing relative to the connecting end 414a in a direction away from the first frame 411 to open the first drainage hole 411c and the third drainage hole 411d. When water vapor is used to flush the first slow flow chamber 411b and the second slow flow chamber 412b, the impact force of the water vapor can cause the free end 414b to swing relative to the connecting end 414a in a direction away from the first frame 411. The user can also manually rotate the opening and closing structure 414 to open the first drainage hole 411c and the third drainage hole 411d.

[0045] It should also be noted that the opening and closing structure 414 can also be made of soft materials, and the soft material can be silicone, rubber or soft plastic and the like, so that when the fan 80 is started, the free end 414b can be in closer contact with the first frame 411 under the suction of the airflow generated by the fan 80, and when draining water, the free end 414b is more likely to swing relative to the connecting end 414a in a direction away from the first frame 411 under the action of the gravity of the liquid to open the first drainage hole 411c and the third drainage hole 411d, making the drainage operation more convenient.

[0046] like Figure 1 and Figure 6 As shown, in one embodiment of the present application, the first drainage hole 411c and the third drainage hole 411d are both provided at the bottom of the first frame 411, and the bottom wall of the first slow flow chamber 411b can be an inclined surface inclined downward toward the first drainage hole 411c, or the bottom wall of the first slow flow chamber 411b can also be a plane. Figure 6 In the working posture shown, the bottom wall of the first slow flow chamber 411b is inclined relative to the bottom surface of the machine body 10. Similarly, the second drainage hole 412g is provided at the bottom of the second frame 412, and the bottom wall of the second slow flow chamber 412b can be an inclined surface inclined downward toward the second drainage hole 412g, or the bottom wall of the second slow flow chamber 412b can also be a plane. Figure 6 In the working posture shown, the bottom wall of the second slow flow chamber 412b is inclined relative to the bottom surface of the body 10.

[0047] In this way, the water vapor in the first slow flow chamber 411b can gather towards the first drainage hole 411c under the action of gravity, so as to facilitate the discharge of the water vapor in the first slow flow chamber 411b; the water vapor in the second slow flow chamber 412b can gather towards the second drainage hole 412g under the action of gravity, so as to facilitate the discharge of the water vapor in the second slow flow chamber 412b.

[0048] Continue to see Figures 1 to 3 As shown, a limiting groove 413b is also provided on the water-gas separator 41, and the limiting groove can be used to place the second filter element 43. The limiting groove 413b can provide installation space and limit for the second filter element 43, making the installation of the second filter element 43 more convenient.

[0049] In one embodiment of the present application, the limiting groove 413b is located on the third frame 413, and the limiting groove 413b extends from the second vent 413a to the direction close to the air outlet 412a, so that the second vent 413a can be connected to the air outlet 412a through the limiting groove 413b. It should be noted that the airflow channel 413d and the limiting groove 413b can be the same structure, that is, the limiting groove 413b is reused as the airflow channel 413d, and there is no need to set up an additional airflow channel 413d.

[0050] In the second aspect, based on the above-mentioned water-gas separator, the present application also provides a cleaning device, such as Figures 4 to 6 As shown, the cleaning device comprises a body 10, a sewage tank 20 and a fan 80. The cleaning device can clean the surface to be cleaned of articles such as blankets, sofas or fabric products.

[0051] Among them, the body 10 has a sewage suction port 111, and the body 10 is the main structure of the cleaning equipment. The body 10 can provide installation space and support for devices such as the sewage tank 20 in the cleaning equipment; illustratively, the material of the body 10 includes but is not limited to plastic or metal. Exemplarily, the material of the body 10 can be plastic material to reduce the weight of the body 10 itself, thereby reducing the overall weight of the cleaning equipment, so that the user can use the cleaning equipment to clean the surface to be cleaned. It can be understood that in order to improve the structural strength of the body 10, the body 10 can also be made of metal material, or a plurality of metal reinforcements can be set in the plastic body 10 to make the structural strength of the body 10 higher, thereby reducing the probability of damage to the body 10 and extending the service life of the cleaning equipment.

[0052] The sewage tank 20 is arranged on the body 10, and the sewage tank 20 has a sewage cavity 31 connected with the sewage suction port 111; it should be noted that when the cleaning device is used to clean the surface to be cleaned, the sewage suction port 111 is brought into contact with the surface to be cleaned, and the dirt on the surface to be cleaned is sucked into the sewage cavity 31 through the sewage suction port 111 for storage. Exemplarily, the material of the sewage tank 20 can be, but not limited to, plastic or metal. Exemplarily, the material of the sewage tank 20 can be plastic to reduce the weight of the sewage tank 20, so that it is convenient for the user to clean the sewage tank 20, and it can also reduce the overall weight of the cleaning device, so that the user can use the cleaning device. Exemplarily, the sewage tank 20 can be detachably connected to the body 10, so that after the sewage tank 20 is full of water, the user can disassemble the sewage tank 20 to pour out the sewage in the sewage tank 20 and clean the sewage tank 20. The detachable connection method of the sewage tank 20 and the body 10 includes, but is not limited to, a snap connection, a threaded connection, or a buckle connection.

[0053] The fan 80 is installed on the body 10, and the air inlet 81 of the fan 80 is connected to the sewage chamber 31. The airflow generated by the fan 80 passes through the sewage suction port 111, the sewage chamber 31 and the air inlet 81 in sequence. The fan 80 is used to form a negative pressure in the sewage chamber 31, thereby forming a negative pressure at the sewage suction port 111, so that the sewage suction port 111 has suction force to absorb waste. The specific size and specific model of the fan 80 can be selected according to actual needs, and this application does not make specific restrictions.

[0054] Specifically, see Figures 5 to 7 As shown, the sewage tank 20 includes a box body 30 and a cover body 40. The box body 30 has a sewage cavity 31 and a sewage inlet 331 and an opening 32 (such as Fig. 9 ), the sewage inlet 331 is connected to the sewage suction port 111, the cover body 40 covers the opening 32, the cover body 40 includes a water-gas separator 41 as in any of the above embodiments, the air inlet 411a is connected to the sewage chamber 31, the air outlet 412a is connected to the air inlet 81 of the fan 80, and the air flow generated by the fan 80 passes through the sewage suction port 111, the sewage chamber 31, the air inlet 411a, the air outlet 412a and the air inlet 81 in sequence. In other embodiments, the cover body 40 can also be provided separately from the water-gas separator 41. Specifically, the cover body 40 is connected to the box body 30, and the water-gas separator 41 is connected to the machine body 10. The cover body 40 is provided with a connecting hole that can be connected to the air inlet 411a. When the sewage tank 20 is installed on the machine body 10, the cover body 40 is connected to the water-gas separator 41 and connected.

[0055] Understandably, Figure 6The direction indicated by the dotted arrow is the direction of air flow. The air inlet 81 of the fan 80 is connected to the sewage chamber 31 through the air outlet 412a and the air inlet 411a. The airflow generated by the fan 80 enters the fan 80 through the sewage suction port 111, the sewage chamber 31, the air inlet 411a, the air outlet 412a and the air inlet 81. The water vapor separator 41 in the cover body 40 can separate water vapor in the airflow, thereby preventing water vapor from entering the fan 80 and affecting the performance of the fan 80.

[0056] In one embodiment of the present application, the cover body 40 is detachably connected to the box body 30. When the sewage chamber 31 needs to be cleaned, the cover body 40 is separated from the box body 30, and the sewage chamber 31 can be flushed through the opening 32, so that the cleaning of the sewage chamber 31 is more convenient. The detachable connection method between the cover body 40 and the box body 30 includes but is not limited to snap-on, threaded connection or interference fit.

[0057] like Figures 6 to 8 As shown, in some embodiments of the present application, a first filter 42 and a second filter 43 are sequentially arranged on the airflow path from the sewage chamber 31 to the air inlet 81. It can be understood that when the airflow generated by the fan 80 flows from the sewage chamber 31 to the air inlet 81, the airflow will pass through the first filter 42 and the second filter 43 in sequence. Through the dual filtering effect of the first filter 42 and the second filter 43, most of the solid dirt (such as dust particles, hair, and cotton wool, etc.) carried in the airflow can be intercepted, and the solid dirt carried in the airflow can be prevented from entering the fan 80 through the air inlet 81 to affect the normal use of the fan 80, and the solid dirt can be prevented from flowing out of the fan 80 to cause secondary pollution.

[0058] The filtering accuracy of the second filter element 43 can be greater than that of the first filter element 42. It is understandable that the greater the filtering accuracy of the filter element, the smaller the filter hole of the filter element and the stronger the filtering effect. The filtering accuracy of the first filter element 42 is relatively small, which can play a role of coarse filtering, with low cost and convenient cleaning and washing. The filtering accuracy of the second filter element 43 is relatively high, and the second filter element 43 can play a role of fine filtering, which can further prevent solid dirt from entering the fan 80. The first filter element 42 can block fabric-like garbage such as hair and cotton wool and large particles of dust, and prevent fabric-like garbage and large particles of dust from adhering to the second filter element 43, which can reduce the number of cleaning times and cleaning difficulty of the second filter element 43, and can reduce the loss of the second filter element 43, which is convenient for users to use and can also reduce the use cost.

[0059] Specifically, the first filter element 42 can be a filter mesh with larger pores, and the material of the filter mesh can be metal or plastic, etc.; the second filter element 43 can be filter cotton with smaller pores. Both the filter mesh and the filter cotton can be directly washed with water, and are not easily worn out, have a long service life, and can save consumables for users. The present application does not specifically limit the specific size of the filter pores of the first filter element 42 and the specific size of the filter pores of the second filter element 43, and can be selected according to actual needs.

[0060] Specifically, Figures 6 to 8 As shown, the first filter element 42 and the second filter element 43 can both be set on the cover body 40. When the first filter element 42 and the second filter element 43 need to be cleaned, the cover body 40 can be removed from the box body 30 to separate the first filter element 42 and the second filter element 43 from the body 10, making it easier to clean the first filter element 42 and the second filter element 43.

[0061] Furthermore, the first filter element 42 and the second filter element 43 are both detachably connected to the cover body 40, so that the first filter element 42 and the second filter element 43 can be separately removed and replaced; wherein, the detachable connection method of the first filter element 42 to the cover body 40 includes but is not limited to a snap-on connection, a threaded connection or a snap-on connection, and the detachable connection method of the second filter element 43 to the cover body 40 includes but is not limited to a snap-on connection, a threaded connection or a snap-on connection.

[0062] It should be noted that the air inlet 411a and the air outlet 412a are the places where the airflow generated by the fan 80 must pass, and the air inlet 411a and the air outlet 412a are relatively narrow, and the airflow is more concentrated when passing through the air inlet 411a and the air outlet 412a. Therefore, in some implementations of the present application, the first filter element 42 can be set at the air inlet 411a or close to the air inlet 411a, and the second filter element 43 can be set at the air outlet 412a or close to the air outlet 412a, so that on the basis of the first filter element 42 and the second filter element 43 can play a good filtering role, the size of the first filter element 42 and the second filter element 43 can be reduced to reduce the cost of consumables.

[0063] like Figure 8 As shown, in one embodiment of the present application, the cover body 40 includes a base body 44 and a mounting member 45; the base body 44 has an air outlet 412a; the mounting member 45 is detachably connected to the base body 44, and the first filter element 42 is mounted on the mounting member 45. When the first filter element 42 needs to be cleaned, the mounting member 45 can be separated from the base body 44, and then the first filter element 42 can be rinsed with clean water, making the cleaning of the first filter element 42 more convenient. It can be understood that the mounting member 45 is a component of the first frame 411, and the base body 44 includes the second frame 412 and the portion of the first frame 411 excluding the mounting member 45.

[0064] Specifically, the mounting member 45 has an air inlet 411a, and the first filter element 42 is detachably connected to the mounting member 45, so that when the first filter element 42 needs to be replaced, only the first filter element 42 can be replaced without replacing the mounting member 45. The detachable connection method between the first filter element 42 and the mounting member 45 includes but is not limited to a snap-on connection, a threaded connection, or a snap-on connection.

[0065] Specifically, a slot 441 is provided on the base 44, and the mounting member 45 includes a plug-in portion 451 inserted into the slot 441, and the plug-in portion 451 is snap-connected to the slot 441. The mounting member 45 is detachably connected to the base 44 through the connection between the plug-in portion 451 and the slot 441. When the mounting member 45 needs to be removed, the plug-in portion 451 is pulled out of the slot 441 to remove the mounting member 45. The loading and unloading of the mounting member 45 on the base 44 is relatively convenient and quick.

[0066] like Figure 6 and Figure 8 As shown, in one embodiment of the present application, a limiting groove 413b is provided on the water-gas separator 41, and the second filter element 43 is installed in the limiting groove 413b; the limiting groove 413b can provide installation space and limitation for the second filter element 43, so that the installation of the second filter element 43 is more convenient.

[0067] Continue to see Figure 6 As shown, in some embodiments of the present application, the cover body 40 also includes a pressure cover 46 (such as Figure 1 ), the pressure cover 46 covers the limiting groove 413b, and the pressure cover 46 abuts against the second filter element 43, so as to use the pressure cover 46 to provide a limit for the second filter element 43, so as to prevent the second filter element 43 from moving out of the limiting groove 413b due to factors such as shaking during the use of the cleaning device. Specifically, the pressure cover 46 covers the second vent 413a, and a through hole communicating with the limiting groove 413b is also provided on the pressure cover 46, so that the limiting groove 413b is connected to the air inlet 81 through the through hole.

[0068] Specifically, a third vent hole communicating with the air outlet 412a may be provided on the bottom wall of the limiting groove 413b, so that the limiting groove 413b can be communicated with the air outlet 412a through the third vent hole.

[0069] It can be understood that in some embodiments, one of the first filter element 42 and the second filter element 43 can be omitted, that is, a single-layer filtering form is adopted.

[0070] In summary, for the cleaning device of this embodiment, the airflow generated by the fan 80 will pass through the air inlet 411a, the first slow flow chamber 411b, the first air vent 412c, the second slow flow chamber 412b, the air outlet 412a, and the air inlet 81 of the fan 80 in sequence, and will first pass through the first filter element 42 for the first layer of filtration before entering the first slow flow chamber 411b, and will pass through the second filter element 43 for the second layer of filtration after flowing out of the second slow flow chamber 412b and before entering the air inlet 81 of the fan 80, and will also be separated from the air by a water vapor separator before entering the air inlet 81 of the fan 80, which not only prevents solid dirt from entering the fan 80, but also reduces the water vapor entering the fan 80, effectively protects the fan 80, improves the performance of the fan 80, and extends the service life of the fan 80.

[0071] In some embodiments of the present application, reference Figure 6 and Fig. 9 As shown, the inner wall surface of the sewage chamber 31 includes a bottom wall surface 311 and a peripheral wall surface 312, and the bottom wall surface 311 is arranged opposite to the opening 32; the sewage tank 20 also includes a sewage inlet pipe 33, which is connected to the bottom wall surface 311 and extends from the bottom wall surface 311 to the direction where the opening 32 is located, and the first end of the sewage inlet pipe 33 is a sewage inlet 331, and the second end of the sewage inlet pipe 33 is a sewage outlet 332 extending into the sewage chamber 31, and the sewage outlet 332 is arranged at intervals from the opening 32. It can be understood that the sewage enters the sewage chamber 31 after passing through the sewage inlet 331 and the sewage outlet 332 in sequence, and the sewage outlet 332 has a certain height, which can prevent the sewage in the sewage chamber 31 from flowing back out of the sewage chamber 31 through the sewage outlet 332, and the sewage outlet 332 has a sufficient height difference with the bottom wall surface 311, so that the water vapor and dirt carried in the air flow can fall into the sewage chamber 31 under the action of gravity.

[0072] The sewage outlet 332 faces away from the air inlet 411a, for example Figure 6 In the figure, the air inlet 411a is located on the left side of the sewage outlet 332, and the sewage outlet 332 is set to the right, so that the direction of the sewage outlet 332 avoids the air inlet 411a as much as possible, increases the path length of the airflow from the sewage outlet 332 to the air inlet 411a, so that the water vapor and dirt carried in the airflow can fall into the sewage chamber 31 under the action of gravity, avoiding the dirt from directly entering the air inlet 411a. In other embodiments, the sewage outlet 332 can also be set forward or backward.

[0073] In some embodiments of the present application, Figures 6 to 8As shown, the cover 40 further includes a baffle 47, which is connected to the first frame 411 and extends into the sewage chamber 31. The baffle 47 is located between the sewage inlet pipe 33 and the air inlet 411a. The baffle 47 is spaced apart from the sewage inlet pipe 33, and the baffle 47 is spaced apart from the bottom wall 311. It can be understood that, as Figure 3 As shown, the airflow flowing out of the sewage outlet 332 of the sewage inlet pipe 33 needs to bypass under the baffle plate 47, which can increase the path length of the airflow flow, reduce the flow rate of the airflow, and separate the water vapor and dirt carried in the airflow from the gas through baffle separation. At the same time, the baffle plate 47 can further prevent dirt from directly entering the air inlet 411a.

[0074] Continue to refer to Figure 6 and Figure 7 As shown, in one embodiment of the present application, the sewage tank 20 further includes a partition, which is located in the sewage chamber 31 and connected to the box body 30. It should be noted that, on the one hand, the partition can reduce the flow rate of the airflow and achieve the effect of baffle separation; on the other hand, the partition can play a role in preventing surges. The partition can divide the sewage chamber 31 into multiple chambers with smaller volumes. When the cleaning equipment is used for cleaning, the sloshing range of the sewage in the chamber is small, so that the sewage in the water chamber will not form a high surge due to sloshing.

[0075] Specifically, a plurality of partitions are provided, and the plurality of partitions are arranged at intervals, and each partition is arranged at intervals from the cover body 40, and the heights of each partition may be the same or different. In the present embodiment, the sewage tank 20 includes a first partition 34 and a second partition 35, and a baffle 47 is located between the first partition 34 and the second partition 35. The first partition 34 is connected to the bottom wall surface 311 and the peripheral side wall surface 312, and the second partition 35 is connected to the bottom wall surface 311 and the peripheral side wall surface 312. The second partition 35 and the first partition 34 divide the sewage chamber 31 into a first cavity 313, a second cavity 314, and a third cavity 315 arranged in sequence and interconnected. In some embodiments, the sewage tank 20 may also include at least three partitions, which are not listed one by one here. Alternatively, the sewage tank 20 may also include one partition. Of course, in some embodiments, both the partition and the baffle 47 may be omitted.

[0076] More specifically, the sewage outlet 332 faces the area where the first cavity 313 is located, and the air inlet 411a is arranged in the area where the third cavity 315 is located, so that the liquid and most of the dirt carried in the air flow flowing out from the sewage outlet 332 can preferentially fall into the first cavity 313, while the air flow continues to flow toward the air inlet 411a, and the liquid and dirt falling into the third cavity 315 are relatively small, which can prevent the water vapor and dirt in the third cavity 315 from clogging the air inlet 411a.

[0077] Furthermore, when the cleaning device is in Figure 6 In the working posture shown, the bottom wall 311 is inclined downward from the third cavity 315 to the first cavity 313, so that the bottom of the first cavity 313 is at a lower position, and the bottom of the third cavity 315 is at a higher position, and due to the obstruction of the second cavity 314, it can further prevent water vapor and dirt in the first cavity 313 from entering the third cavity 315 due to shaking, and it can prevent excessive water vapor and dirt in the third cavity 315 from blocking the air inlet 411a.

[0078] Continue to refer to Figure 6 As shown, in some embodiments of the present application, the body 10 also has a sewage suction channel 11, the first end of the sewage suction channel 11 is a sewage suction port 111, and the second end of the sewage suction channel 11 is connected to the sewage chamber 31. When the cleaning equipment is cleaning, the dirt is sucked into the sewage suction channel 11 through the sewage suction port 111, and then enters the sewage chamber 31 through the sewage suction channel 11.

[0079] The second end of the sewage suction channel 11 is connected to the sewage chamber 31 through the sewage inlet 331 . After the sewage is sucked into the sewage suction channel 11 through the sewage suction port 111 , it enters the sewage chamber 31 through the sewage inlet 331 .

[0080] Reference Figure 5 As shown, in one embodiment of the present application, the body 10 further includes a cleaning portion 14 and a nozzle cover 15. The nozzle cover 15 is located at the front side of the cleaning portion 14 and is detachably connected to the cleaning portion 14. The nozzle cover 15 and the cleaning portion 14 enclose a portion of the sewage suction channel 11.

[0081] It is understandable that when dirt passes through the sewage suction channel 11, part of the dirt will adhere to the tube wall of the sewage suction channel 11, which may easily cause the sewage suction channel 11 to be blocked. Therefore, after the cleaning device completes cleaning, the sewage suction channel 11 needs to be cleaned. In the embodiment of the present application, when the sewage suction channel 11 needs to be cleaned, the suction nozzle cover 15 can be removed to expose part of the tube wall of the sewage suction channel 11. At this time, clean water can be used to directly rinse the suction nozzle cover 15 and the part of the cleaning part 14 that constitutes the sewage suction channel 11, making the cleaning of the sewage suction channel 11 more convenient and cleaner. Among them, the suction nozzle cover 15 can be detachably connected to the cleaning part 14 by a snap connection, and the suction nozzle cover 15 can also be detachably connected to the cleaning part 14 by a threaded connection or a magnetic connection.

[0082] Furthermore, the suction nozzle cover 15 and the cleaning portion 14 are combined to form a sewage suction port 111, so that cleaning at the sewage suction port 111 is more convenient and can be cleaned more thoroughly.

[0083] Continue to refer to Figure 5 and Figure 6As shown, in some embodiments of the present application, the body 10 also has a liquid spray port 12, and the cleaning device also includes a clean water tank 50 disposed on the body 10, and the clean water tank 50 has a clean water chamber 51 connected to the liquid spray port 12. It should be noted that the clean water chamber 51 is used to store cleaning liquids such as clean water, disinfectant, or a mixture of clean water and detergent. When the cleaning device is used to clean the surface to be cleaned, dry garbage (such as dust particles, noodles, kitchen waste, pet feces, etc.), liquid garbage (such as urine, sewage, etc.) or dry and wet mixed garbage on the surface to be cleaned can be directly sucked into the sewage chamber 31 through the sewage suction port 111; when the cleaning device is used to clean the surface to be cleaned, the cleaning liquid in the clean water chamber 51 can also be first sprayed onto the surface to be cleaned through the liquid spray port 12, and the cleaning liquid wets the dirt (such as dust particles, noodles, kitchen waste, pet feces, etc.) on the surface to be cleaned, and then the dry and wet mixed garbage can be sucked into the sewage chamber 31 through the sewage suction port 111, so that the surface to be cleaned can be cleaned more cleanly.

[0084] Continue to refer to Figures 4 to 6 As shown, in some embodiments of the present application, the cleaning device is a handheld cleaning device, which is mainly used for wet and dry cleaning of fabrics, carpets, sofas, etc. Specifically, the body 10 also includes a gripping portion 13, which is connected to the cleaning portion 14; it should be noted that the gripping portion 13 is a portion of the body 10 for the user to grip, and the gripping portion 13 can facilitate the user to grip the body 10 to operate the cleaning device.

[0085] Among them, one of the sewage tank 20 and the clean water tank 50 is arranged on the cleaning part 14, and the other of the sewage tank 20 and the clean water tank 50 is arranged on the holding part 13, so that the clean water tank 50 and the sewage tank 20 have a sufficient distance to prevent the clean water tank 50 and the sewage tank 20 from occupying the space required by each other, so that the volume of the sewage tank 20 and the clean water tank 50 can be set larger, the capacity of the sewage chamber 31 and the clean water chamber 51 can be increased, and the sustainable working time of the cleaning equipment can be improved.

[0086] Furthermore, the sewage tank 20 is arranged on the cleaning part 14, and the clean water tank 50 is arranged on the gripping part 13. It should be noted that the cleaning part 14 is the main structure of the body 10, so the volume of the cleaning part 14 is usually larger than the volume of the gripping part 13. By arranging the sewage tank 20 on the cleaning part 14, the volume of the sewage tank 20 can be set larger, and the capacity of the sewage chamber 31 can be further increased, so that the sustainable working time of the cleaning device can be further increased.

[0087] In addition, as the user uses the cleaning device for cleaning, the cleaning liquid in the clean water tank 50 will gradually decrease, causing the weight of the gripping portion 13 to gradually decrease, so that the force on the user's hand will gradually decrease, while the water in the dirty water tank 20 will gradually increase, causing the weight of the cleaning portion 14 to gradually increase, further making the cleaning portion 14 more closely fit the surface to be cleaned, thereby improving the cleaning effect of the cleaning device on the surface to be cleaned.

[0088] In one embodiment of the present application, the sewage tank 20 can be detachably connected to the cleaning part 14, and the sewage tank 20 can be detachably connected to the cleaning part 14 by means of snap-fitting or the like, so that it is convenient to remove the sewage tank 20 from the cleaning part 14, so as to clean the sewage tank 20; the clean water tank 50 can be detachably connected to the grip part 13, and the clean water tank 50 can also be detachably connected to the cleaning part 14 by means of snap-fitting or the like, so that it is convenient for the user to remove the clean water tank 50 from the grip part 13, so that the user can add cleaning liquid into the clean water tank 50.

[0089] Continue to refer to Figures 4 to 6 As shown, in some embodiments of the present application, a first mounting groove 131 is provided on the holding portion 13, and the clean water tank 50 is provided in the first mounting groove 131; a second mounting groove 141 is provided on the cleaning portion 14, and the sewage tank 20 is provided in the second mounting groove 141. The space between the holding portion 13 and the cleaning portion 14 can be fully utilized, so that the structure of the cleaning equipment is more compact, the overall volume of the cleaning equipment is reduced, and the use and storage of the cleaning equipment are convenient.

[0090] Furthermore, the grip portion 13 is provided with a clearance opening 132 for inserting a finger, and the clearance opening 132 is arranged along the first direction (ie Figure 5 The first mounting groove 131 is provided on the inner side wall of the avoidance opening 132. It should be noted that the avoidance opening 132 penetrates the gripping portion 13 to form a structure similar to a handle, which is used for inserting fingers into the avoidance opening 132 and holding the gripping portion 13 when holding the gripping portion 13, so that the user can hold the gripping portion 13 more conveniently. The first mounting groove 131 is designed on the inner side wall of the avoidance opening 132, so that the inner space of the gripping portion 13 can be fully utilized, and the overall volume of the cleaning device can be reduced, while preventing the clean water tank 50 from colliding with other objects during the use of the cleaning device.

[0091] Furthermore, the first mounting groove 131 is disposed on the bottom side wall of the inner side wall of the avoidance opening 132. It should be noted that the bottom side wall of the inner side wall of the avoidance opening 132 is the side wall located at the bottom of the inner side wall of the avoidance opening 132 when the cleaning equipment is used to clean the surface to be cleaned, which can prevent the clean water tank 50 from being separated from the gripping portion 13 under the action of gravity. In other embodiments, the clean water tank 50 can also be disposed at the bottom of the gripping portion 13, that is, disposed on the side of the gripping portion 13 away from the avoidance opening 132.

[0092] Specifically, Figure 5 As shown, the clean water tank 50 is connected to the gripping portion 13 by sliding along the first direction XX. It is understandable that one side of the first mounting groove 131 along the first direction XX is a notch, and when loading and unloading the clean water tank 50, by sliding the clean water tank 50 relative to the gripping portion 13 along the first direction XX, the clean water tank 50 can be moved in and out of the first mounting groove 131 through the notch, making the installation of the clean water tank 50 in the first mounting groove 131 more convenient.

[0093] Specifically, the clean water tank 50 includes a clean water tank body and a plug body. The clean water tank body has a clean water cavity 51 and a liquid replenishing port connected to the clean water cavity 51. Liquid can be replenished into the clean water cavity 51 through the liquid replenishing port. The plug body is used to open and close the liquid replenishing port.

[0094] In one embodiment of the present application, the fan 80 can be installed on the cleaning part 14. It is understandable that the air inlet 81 of the fan 80 is generally connected to the air outlet 412a through the ventilation duct. By installing the fan 80 and the sewage tank 20 on the cleaning part 14, the length of the ventilation duct between the air inlet 81 of the fan 80 and the air outlet 412a of the cover 40 can be shortened, and the residual amount of water vapor and dust in the ventilation duct can be reduced, and a large amount of water vapor and dust can be prevented from remaining in the ventilation duct, resulting in blockage of the ventilation duct, which can improve the reliability of the cleaning equipment. Further, the length of the ventilation duct is less than 40 mm to ensure that the length of the ventilation duct is short, and the length of the ventilation duct can be 38 mm, 30 mm, 25 mm, 10 mm or other values. Further, the part of the fan 80 with the air inlet 81 fits the cover 40 to minimize the length of the ventilation duct.

[0095] In one embodiment of the present application, the gripping portion 13 is located at the rear side of the cleaning portion 14, and the second mounting groove 141 is recessed from the cleaning portion 14 toward the gripping portion 13. It should be noted that the rear side refers to the side of the cleaning device close to the user when the user uses the cleaning device to clean the surface to be cleaned. Figure 6 For example, in Figure 6In the figure, the rear side is the right side. By arranging the holding portion 13 at the rear side of the cleaning portion 14, the user can hold the holding portion 13 more conveniently. In addition, the clean water tank 50 and the sewage tank 20 respectively arranged on the holding portion 13 and the cleaning portion 14 can have a larger spacing to provide sufficient space for the arrangement of the second mounting groove 141. On the basis of reducing the overall volume of the cleaning equipment, the sewage tank 20 can be arranged with a larger volume.

[0096] Continue to refer to Figure 6 As shown, in some embodiments of the present application, the gripping portion 13 has a accommodating cavity 133, and the cleaning device further includes a battery assembly 61, which is installed in the accommodating cavity 133; the battery assembly 61 is used to power electrical devices in the cleaning device, such as a fan 80, etc. The battery in the battery assembly 61 can be a storage battery. The present application does not specifically limit the type and quantity of the battery. By arranging the battery assembly 61 in the accommodating cavity 133 of the gripping portion 13, the battery assembly 61 can be prevented from occupying the setting space of the sewage tank 20, so that the sewage tank 20 has more setting space, and the weight distribution of the cleaning device can also be balanced.

[0097] The grip portion 13 is provided with a charging port 62 (eg Figure 4 ), the charging port 62 is electrically connected to the battery assembly 61, and the charging port 62 is used to charge the battery in the battery assembly 61, and the charging port 62 is integrated on the grip 13. When charging the battery, the power supply can be directly connected to the charging port 62 through a data cable, and there is no need to provide an additional base with a charging function for the cleaning device, which makes the battery charging more convenient, and can also reduce the packaging and transportation volume of the cleaning device, and reduce the overall cost of the cleaning device; the charging port 62 can be preferably a Type-C interface, so that the cleaning device has a fast charging function, and no specific customized charger is required; of course, according to actual needs, the charging port 62 can also be a Mini USB interface or a Lightning interface. Of course, in other embodiments, the charging mode can also be set to a contact charging mode. Specifically, the cleaning device includes a contact contact electrically connected to the battery assembly 61, and the cleaning device is equipped with a base, which includes a charging contact for electrically contacting the contact contact on the cleaning device and a charging circuit electrically connected to the charging contact. By connecting the mains power and the charging circuit, the battery assembly 61 is charged through the contact between the charging contact and the contact contact.

[0098] like Figure 6As shown, in some embodiments of the present application, the cleaning device further includes a water delivery component 63, which is installed in the body 10 and is used to deliver the liquid in the clean water chamber 51 to the liquid spraying port 12, so that the liquid in the clean water chamber 51 can be smoothly sprayed out through the liquid spraying port 12. The water delivery component 63 can be a pumping type water delivery component 63, through which the liquid in the clean water chamber 51 is drawn to the liquid spraying port 12; the water delivery component 63 can also be an air-inflating type water delivery component 63, through which the clean water chamber 51 is inflated, so that the liquid in the clean water chamber 51 is delivered to the liquid spraying port 12 under pressure.

[0099] Specifically, for the extraction type water delivery assembly 63, the water delivery assembly 63 includes a water pump 631 and a liquid infusion tube (not shown in the figure), the water pump 631 is connected to the liquid spraying port 12 and the clean water chamber 51 through the liquid infusion tube, the water pump 631 is used to provide power, and the liquid infusion tube is used to provide a flow channel for the liquid in the clean water chamber 51. Exemplarily, two liquid infusion tubes can be provided, the water inlet end of the water pump 631 is connected to the clean water chamber 51 through one liquid infusion tube, and the water outlet end of the water pump 631 is connected to the liquid spraying port 12 through another liquid infusion tube. For the air-inflating type water delivery assembly 63, the water delivery assembly 63 includes a water pump, a vent pipe and a liquid infusion tube, the exhaust port of the water pump is connected to the clean water chamber 51 through the vent pipe, and the clean water chamber 51 is connected to the liquid spraying port 12 through the liquid infusion tube.

[0100] In some embodiments of the present application, the cleaning device also includes a current detector (not shown in the figure) and an early warning component; the current detector is connected to the water pump 631, and the current detector is used to detect the working current of the water pump 631 when it is working; the early warning component is connected to the current detector, and when the detection result of the current detector indicates that the clean water tank 50 is in a liquid-deficient state and / or the infusion tube is in a blocked state, the early warning component activates an early warning.

[0101] It should be noted that the working current of the water pump 631 when it is working can be the input current or the output current of the water pump 631. When the cleaning liquid in the clean water chamber 51 of the clean water tank 50 is sufficient and the infusion tube is unobstructed, the water pump 631 works normally. When the cleaning liquid in the clean water chamber 51 is too little or / and the infusion tube is blocked, the water pump 631 cannot work normally, resulting in a change in the working current of the water pump 631. The working current of the water pump 631 when the cleaning liquid in the clean water chamber 51 is too little is different from the working current of the water pump 631 when the infusion tube is blocked. For example, when the water pump 631 works normally, the working current of the water pump 631 The current is 450mA±50mA. When the clean water tank 50 is in a water shortage state, the working current of the water pump 631 is 90mA±50mA. When the infusion tube is in a blocked state, the working current of the water pump 631 is 240mA±50mA. Therefore, the working current of the water pump 631 when it is working can be detected by the current detector, and the working current of the water pump 631 when it is working can be used to determine whether there is water in the clean water tank 50 and whether the state of the infusion tube is normal. When the clean water tank 50 is in a liquid shortage state and / or the infusion tube is in a blocked state, the early warning component can start an early warning based on the detection results, and can remind the user to add water and handle the fault in time.

[0102] Specifically, the warning component may include a warning light group, and the warning light group may include one warning light or multiple warning lights. When the warning light group includes one warning light, different situations can be indicated by display states such as the color or flashing frequency of the warning light. For example, the warning light displays green when the water pump 631 is working normally, and the warning light displays yellow when the clean water tank 50 is in a water shortage state, and the warning light displays red when the infusion tube is in a blocked state; for another example, the warning light is on for a long time when the water pump 631 is working normally, and the warning light flashes at a frequency of 1 Hz when the clean water tank 50 is in a water shortage state, and the warning light flashes at a frequency of 5 Hz when the infusion tube is in a blocked state. Of course, the warning light can also indicate different situations through other display states; when the warning light group includes multiple warning lights, different situations can be indicated by the display of different warning lights. For example, the first warning light is on when the water pump 631 is working normally, the second warning light is on when the clean water tank 50 is in a water shortage state, and the third warning light is on when the infusion tube is in a blocked state. In addition, when the cleaning equipment has a control panel 94, display icons or animations corresponding to different states can also be set on the control panel 94, such as a normal display icon or animation corresponding to when there is sufficient cleaning liquid in the clean water chamber 51 of the clean water tank 50 and the infusion tube is in an unobstructed state, a water shortage icon or animation corresponding to when there is insufficient cleaning liquid in the clean water chamber 51, and a infusion tube blockage icon or animation corresponding to when the infusion tube is in a blocked state.

[0103] Of course, according to actual needs, the warning component can also be other components, such as a voice broadcast component or a buzzer component that can remind the user.

[0104] It should also be noted that the early warning component can also be connected to the user's terminal device for communication. When the clean water tank 50 is short of liquid and / or the infusion tube is blocked, the early warning component sends an early warning message to the user terminal to remind the user to deal with the fault in time. The terminal device can be a mobile phone, tablet computer, desktop computer host, gaming device, electronic watch, electronic glasses, electronic helmet, electronic bracelet, electronic necklace, electronic clothing and other devices.

[0105] like Figure 5 As shown, in some embodiments of the present application, a third mounting groove 142 is provided at the bottom of the cleaning part 14, and the cleaning device further includes a cleaning component, which is provided in the third mounting groove 142 and is located at the rear side of the suction port 111, and the cleaning component is used to contact the surface to be cleaned. When the cleaning device is used to clean the surface to be cleaned, the cleaning component contacts the surface to be cleaned, and the cleaning component reciprocates on the surface to be cleaned, so that the solid waste on the surface to be cleaned can be separated from the object to be cleaned, and the solid waste is fully mixed with the liquid to achieve a better cleaning effect.

[0106] Wherein, the cleaning component is selected from the roller brush component 71 (such as Figure 5 ) and flat brush assembly 72 (such as Fig.10 ), the roller brush assembly 71 includes a roller brush 711 rotatably connected to the cleaning portion 14; the flat brush assembly 72 includes a flat brush 721 relatively fixed to the cleaning portion 14.

[0107] It can be understood that when using the roller brush assembly 71, the roller brush 711 can rotate relative to the cleaning part 14. Compared with the flat brush 721, the roller brush 711 has a better cleaning effect on the uneven surface to be cleaned; when using the flat brush assembly 72, the flat brush 721 is fixed on the cleaning part 14. Compared with the roller brush 711, the flat brush 721 can apply greater pressure on the surface to be cleaned, and has a better cleaning effect on the smooth surface to be cleaned, and the flat brush 721 has a better cleaning effect on corners such as the edge of the wall. The roller brush assembly 71 and the flat brush assembly 72 can be replaced with each other so that the cleaning equipment can adapt to different scenarios and needs.

[0108] It should also be noted that the roller brush assembly 71 further includes a first mounting frame 713, the roller brush 711 is mounted on the first mounting frame 713 and mounted on the cleaning portion 14 through the first mounting frame 713, and the first mounting frame 713 is detachably connected to the cleaning portion 14. In addition, the roller brush assembly 71 may further include a motor 712, and the motor 712 is used to drive the roller brush 711 to rotate. In some embodiments, the first mounting frame 713 may be omitted, and the roller brush 711 is directly mounted on the cleaning portion 14. Alternatively, in some embodiments, the motor 712 may also be omitted, and the roller brush 711 rotates as the cleaning device moves on the surface to be cleaned.

[0109] Similarly, the flat brush 721 can be directly installed on the cleaning part 14, or the flat brush assembly 72 can also include a second mounting frame 722, the flat brush 721 is mounted on the second mounting frame 722 and is installed on the cleaning part 14 through the second mounting frame 722, and the second mounting frame 722 is detachably connected to the cleaning part 14.

[0110] Continue to refer to Figure 5 and Fig.10 As shown, in one embodiment of the present application, the cleaning component also includes a pressable elastic reset button 73. When the elastic reset button 73 is pressed, the elastic reset button 73 is separated from the body 10, and the cleaning component can be separated from the body 10 at this time; when the pressure on the elastic reset button 73 is released, the elastic reset button 73 is reset and engaged with the body 10, thereby installing the cleaning component on the body 10.

[0111] In one embodiment of the present application, Figure 5 and Figure 6 As shown, the liquid spray port 12 is located above the dirt suction port 111 . By raising the height of the liquid spray port 12 , the liquid spray port 12 has a larger liquid spray range when the cleaning device cleans the surface to be cleaned. Further, the liquid spray port 12 is located above the suction nozzle cover 15 .

[0112] Furthermore, in some embodiments, the liquid spray port 12 may be located in front of the dirt suction port 111. It is understood that when the cleaning device cleans the surface to be cleaned, the cleaning device will move forward and backward and absorb dirt on the surface to be cleaned through the dirt suction port 111. By arranging the liquid spray port 12 in front of the dirt suction port 111, the liquid spray port 12 can spray liquid along the cleaning path, which can improve the cleaning efficiency. Figure 6 As shown, the housing 10 also has an exhaust passage and an exhaust port 16 (such as Figure 5 ); the fan 80 also has an air outlet 82 connected to the air inlet 81, and the air outlet 82 is connected to the air inlet 81 and the exhaust channel. After the air flow generated by the fan 80 flows out from the air outlet 412a, it passes through the air inlet 81, the air outlet 82, the exhaust channel and the exhaust port 16 in sequence.

[0113] Specifically, Figure 6 As shown, the cleaning device also includes a condensation sensor 17 and a controller (not shown in the figure).

[0114] Among them, the dew sensor 17 is used for humidity detection, and the dew sensor 17 can be arranged in the exhaust passage. Exemplarily, the dew sensor 17 can also be arranged on the air outlet 82. Exemplarily, the dew sensor 17 can also be arranged on the exhaust outlet 16. It can be understood that the dew sensor 17 can be arranged at the critical position between the air outlet 82 and the exhaust passage, part of the dew sensor 17 is located at the air outlet 82, and the rest is located in the exhaust passage; similarly, the dew sensor 17 can also be arranged at the critical position between the exhaust air duct and the exhaust outlet 16.

[0115] The controller is disposed in the body 10 and connected to the fan 80 and the condensation sensor 17; when the detection result of the condensation sensor 17 indicates that the sewage tank 20 is full of water, the controller is used to control the fan 80 to stop running.

[0116] In the embodiment of the present application, the controller controls the fan 80 to operate, thereby forming a negative pressure in the sewage suction channel 11, the sewage tank 20 and the sewage suction port 111, so that the sewage can enter the sewage tank 20 through the sewage suction port 111 and the sewage inlet 331 in sequence, so that the sewage can be temporarily stored in the sewage tank 20. Since the airflow entering the body 10 through the sewage suction port 111 will enter the fan 80 through the sewage tank 20, and then be discharged to the outside of the body 10 from the exhaust port 16 through the exhaust channel, the airflow entering the exhaust channel from the fan 80 will carry some water vapor, and the water vapor will condense and adhere to the condensation sensor 17 during the movement. The more sewage in the sewage tank 20, the more water vapor is carried by the airflow entering the exhaust channel from the fan 80. When the detection result of the condensation sensor 17 indicates that the sewage tank 20 is full of water, the controller controls the fan 80 to stop running to prevent water vapor with high humidity from entering the fan 80, thereby preventing the rust of internal components of the fan 80 and extending the service life of the fan 80. Compared with using an electrode sheet or a float to detect the liquid level in the sewage tank 20, it can eliminate the misjudgment of the liquid level caused by the shaking of the cleaning equipment, thereby improving the liquid level detection accuracy of the sewage tank 20, and the structure is also simpler.

[0117] like Figure 6 As shown, in one embodiment of the present application, the condensation sensor 17 is arranged in the exhaust passage and is closer to the air outlet 82 than the exhaust port 16, so that when the humidity at the air outlet 82 is relatively high, that is, when there is more water vapor in the air flow, the probability of water vapor adhering to the surface of the condensation sensor 17 is relatively high, thereby improving the accuracy of humidity detection of the condensation sensor 17; and because the condensation sensor 17 is closer to the air outlet 82 than the exhaust port 16, the influence of the external environment humidity on the detection accuracy of the condensation sensor 17 can be reduced, thereby further improving the detection accuracy of the condensation sensor 17. Of course, in other embodiments, the condensation sensor 17 can also be closer to the exhaust port 16 than the air outlet 82.

[0118] like Figure 6 As shown, in a specific embodiment, along the extension direction of the exhaust channel, the air outlet 82 and the condensation sensor 17 have a first distance L1, and the first distance L1 is greater than or equal to 4 mm and less than or equal to 6 mm, so that the water vapor carried in the air flow flowing out through the air outlet 82 can easily contact the condensation sensor 17, thereby improving the detection accuracy of the condensation sensor 17.

[0119] In one embodiment of the present application, the battery assembly 61 is disposed in the body 10 and can supply power to the controller, the fan 80 and the condensation sensor 17, so that the cleaning device can support wireless use to improve the convenience of use of the cleaning device.

[0120] In a specific embodiment, the resistance growth rate of the dew sensor 17 when the humidity in the exhaust passage is greater than a preset value is greater than the resistance growth rate of the dew sensor 17 when the humidity in the exhaust passage is less than or equal to the preset value, so that the dew sensor 17 is more sensitive to high humidity, thereby improving the accuracy of the dew sensor 17 in detecting that the sewage tank 20 is full of water.

[0121] Please refer to Fig.11 As shown, in a specific embodiment, the condensation sensor 17 includes a voltage divider circuit 171 and a probe 172, the voltage divider circuit 171 has a power access terminal 171a, a ground terminal 171b and a voltage divider output terminal 171c, the power access terminal 171a is connected to the battery, the ground terminal 171b is grounded, and the voltage divider output terminal 171c is connected to the controller; the probe 172 is arranged in the exhaust channel, the probe 172 has a first pin 172a and a second pin 172b, the first pin 172a is connected to the voltage divider output terminal 171c, and the second pin 172b is grounded.

[0122] For example, Fig.12 The change curve shown is a change curve with the humidity in the exhaust passage as the horizontal coordinate and the resistance of the probe 172 as the vertical coordinate. When the humidity in the exhaust passage is greater than the preset value, the slope of the change curve is greater than the preset slope; when the slope of the change curve is greater than the preset slope, the controller controls the fan 80 to stop running. Among them, the thin solid line represents the change curve of the maximum resistance of the probe 172 as the humidity in the exhaust passage changes, the thick solid line represents the change curve of the average resistance of the probe 172 as the humidity in the exhaust passage changes, and the dotted line represents the change curve of the minimum resistance of the probe 172 as the humidity in the exhaust passage changes. In other embodiments, the change curve can also be a change curve with the humidity in the exhaust passage as the horizontal coordinate and the voltage of the voltage divider output terminal 171c as the vertical coordinate.

[0123] Please refer to Fig.11 and Fig.12Specifically, the preset slope can be that when the slope of the change curve is greater than or equal to, the humidity in the corresponding exhaust duct is greater than or equal to 90%. At this time, the detection result of the condensation sensor 17 indicates that the sewage tank 20 is full of water, and the controller controls the fan 80 to stop running.

[0124] Please refer to Fig.11 and Fig.13 In a specific embodiment, the voltage divider circuit 171 includes a first resistor R1 and a second resistor R2, the first resistor R1 and the second resistor R2 are connected in series between the power access terminal 171a and the ground terminal 171b, and the voltage divider output terminal 171c is arranged between the first resistor R1 and the second resistor R2. The probe 172 is powered by the voltage divided by the first resistor R1 and the second resistor R2, which can prevent the voltage on the pin of the probe 172 from being greater than the electrolysis voltage of the liquid, thereby preventing the liquid from being electrolyzed at the pin of the probe 172 to affect the electrical connection stability of the pin, thereby increasing the detection service life of the condensation sensor 17 and increasing the service life of the cleaning equipment.

[0125] Continue to refer to Figure 3 As shown, in a specific embodiment, the cleaning device also includes a prompt device 91, which is arranged on the body 10 and connected to the controller; wherein, when the detection result of the condensation sensor 17 indicates that the sewage tank 20 is full of water, the controller is also used to control the prompt device 91 to send a prompt message, so that the user can clean the sewage tank 20 according to the prompt message, thereby facilitating the next use of the cleaning device. Exemplarily, the prompt device 91 includes at least one of a display or a speaker. Exemplarily, when the prompt device 91 is a display, the prompt message is an image or light message. When the prompt device 91 is a speaker, the prompt message is an audio message.

[0126] Reference Fig.14 and Fig.15As shown, in a specific embodiment, the cleaning device also includes a stain detection device 92, which is arranged on the body 10 and connected to the battery and the controller. The stain detection device 92 is used to emit light outside the body 10 to detect stains on the surface to be cleaned. When the user needs to find hidden stains on the surface to be cleaned of the fabric product, the stain detection device 92 can be turned on to allow the light emitted by the stain detection device 92 to irradiate the surface to be cleaned, thereby facilitating the user to find the hidden stains on the fabric product, and control the liquid spray port 12 to spray cleaning liquid on the hidden stains, and then the cleaning component arranged at the bottom of the cleaning device can reciprocate on the surface to be cleaned, and the liquid carrying dirt can be recovered into the sewage tank 20 through the sewage suction port 111, thereby realizing the fixed-point cleaning of the hidden stains on the surface to be cleaned, which can improve the cleaning efficiency and reduce the probability of hidden stains remaining on the surface of the fabric product for a long time to cause bacterial growth; and different hidden stains can be removed with a more targeted cleaning liquid to improve the cleaning quality.

[0127] Continue to refer to Fig.14 and Fig.15 As shown, in a specific embodiment, the cleaning device also includes a transparent protective member 93, which is connected to the body 10 and covers a stain detection device 92. The transparent protective member 93 is used to protect the stain detection device 92, so as to reduce the probability of damage to the stain detection device 92 and extend the service life of the stain detection device 92. The light emitted by the stain detection device 92 is emitted to the outside of the body 10 through the transparent protective member 93.

[0128] Furthermore, in order to improve the overall aesthetics of the cleaning device, the body 10 has a receiving groove 18 , the stain detection device 92 is disposed in the receiving groove 18 , and the transparent protective member 93 can be disposed at the notch of the receiving groove 18 .

[0129] Specifically, the stain detection device 92 is at least one of an ultraviolet stain detection device or a laser stain detection device. Exemplarily, when the stain detection device 92 is an ultraviolet stain detection device, such as an ultraviolet lamp, the wavelength of the ultraviolet light emitted by the ultraviolet stain detection device is greater than or equal to 360 mm and less than or equal to 370 mm, so that when the ultraviolet light emitted by the ultraviolet stain detection device is irradiated to the pet stains on the surface to be cleaned, it will induce a fluorescent reaction of the pet stains, so that the user can find the hidden pet stains according to the fluorescence, thereby facilitating the user to clean the hidden pet stains. Pet stains include at least urine stains and may also include feces, and in order to reduce the influence of the transparent protective member 93 on ultraviolet light, the transparent protective member 93 may be an acrylic lampshade that is highly transparent to ultraviolet light and resistant to ultraviolet lamps. Of course, the stain detection device 92 may also be a laser stain detection device for detecting dust stains.

[0130] Reference Fig.14 and Fig.15 As shown, in a specific embodiment, the stain detection device 92 is arranged on the front side of the body 10, so that when the user drives the cleaning device to move forward through the grip 13, the stain detection device 92 can be turned on to detect stains on the surface to be cleaned in front, or when the user lifts the cleaning device through the grip 13, the stain detection device 92 can be used to detect stains on the surface to be cleaned.

[0131] Specifically, the stain detection device 92 is arranged on the cleaning part 14 and is located on the side of the cleaning part 14 away from the holding part 13, so that when the user drives the cleaning device forward through the holding part 13, the stain detection device 92 can be used to detect stains on the surface to be cleaned in front; or when the user lifts the cleaning device through the holding part 13, the cleaning part 14 rotates with the user's hand as the axis under the action of gravity, and the stain detection device 92 can also be used to detect stains on the surface to be cleaned.

[0132] Please refer to Fig.15 In a specific embodiment, the height of the liquid spray port 12 relative to the surface to be cleaned is higher than the height of the sewage suction port 111 relative to the surface to be cleaned, and the stain detection device 92 is located between the sewage suction port 111 and the liquid spray port 12 relative to the height of the surface to be cleaned, so that the stain detection device 92 is closer to the surface to be cleaned, and the light spot of the stain detection device 92 on the surface to be cleaned can have a larger area, thereby improving the efficiency of users in finding stains.

[0133] Please refer to Fig.15 Furthermore, the distance between the stain detection device 92 and the bottom of the body 10 is a first height H1, and the first height H1 is greater than or equal to 26 mm and less than or equal to 32 mm, so that when the cleaning device is used to clean the surface to be cleaned, the stain detection device 92 has a larger area of ​​light spot on the surface to be cleaned, which can improve the efficiency of users in finding stains. If the first height H1 is less than 26 mm, the stain detection device 92 will be too close to the surface to be cleaned, resulting in a smaller light spot area of ​​the stain detection device 92 on the surface to be cleaned, resulting in a lower efficiency for users to find stains. If the first height H1 is greater than 32 mm, the stain detection device 92 will be far away from the surface to be cleaned, resulting in a larger light spot area of ​​the stain detection device 92 on the surface to be cleaned, resulting in a weaker fluorescent reaction of the induced pet stains, which is inconvenient for users to find stains.

[0134] In a specific embodiment, the cleaning device also includes a control panel 94 (such as Figure 4), the control panel 94 is arranged on the machine body 10 and connected to the controller, and is used to send a control signal to the controller according to the user's operation, so that the controller controls the stain detection device 92 to be turned on or off. When the stain detection device 92 is used to detect hidden stains on the surface to be cleaned, the stain detection device 92 can be turned on by operating the control panel 94, so as to use the light spot irradiated by the stain detection device 92 to the surface to be cleaned to find the hidden stains, which can improve the cleaning efficiency; after cleaning, the user operates the control panel 94 to control the stain detection device 92 to be turned off, so as to reduce the power consumption of the battery assembly 61 and extend the service life of the stain detection device 92.

[0135] It is not difficult to understand that in other embodiments, the cleaning device may also be a floor scrubber or a cleaning robot, which is not the only limitation here.

[0136] In other embodiments, when the cleaning device is a cleaning robot, the stain detection device 92 can be set on the head of the cleaning robot to emit detection light to the surface to be cleaned in front of the cleaning robot. When stains are detected on the surface to be cleaned, the cleaning robot can focus on cleaning the area where the stains are located, such as reciprocating cleaning, or the cleaning robot can also bypass the area where the stains are located to avoid the cleaning robot from being stained with odor. The specific execution action of the cleaning robot can be determined according to the actual situation, and is not limited here.

Claims

1. A water-gas separator, characterized in that: include: A first frame having a first slow-flow cavity and an air inlet communicated with the first slow-flow cavity; A second frame, at least part of which is located in the first slow flow cavity and connected to the first frame, the second frame having a second slow flow cavity, the second slow flow cavity being communicated with the first slow flow cavity, and the second frame also having an air outlet communicated with the second slow flow cavity; The airflow passes through the air inlet, the first slow flow cavity, the second slow flow cavity and the air outlet in sequence.

2. The water-gas separator according to claim 1, characterized in that: The second frame is provided with a first vent, and the second slow flow cavity is communicated with the first slow flow cavity through the first vent.

3. The water-gas separator according to claim 2, characterized in that: The second frame comprises: A main body, having the second slow flow cavity and the air outlet; The baffle is connected to the main body, the first vent is located on a side of the baffle away from the main body, the baffle has a baffle channel, and the first vent is connected to the second slow flow chamber through the baffle channel.

4. The water-gas separator according to claim 2, characterized in that: The air outlet and the first air vent are located on the same side of the second frame.

5. The water-gas separator according to claim 2, characterized in that: The first air vent is higher than the air inlet, and / or the air outlet is higher than the air inlet and lower than the first air vent.

6. The water-gas separator according to claim 1, characterized in that: The water-gas separator also includes: The third frame is connected to the first frame, the third frame is provided with a second vent connected to the air outlet, and the second frame is located in a space formed by the connection of the first frame and the third frame.

7. The water-gas separator according to claim 6, characterized in that: The water-gas separator also includes: An extension structure has an air flow channel extending from the air outlet to the second air vent.

8. The water-gas separator according to claim 1, characterized in that: The first frame is provided with a first drainage hole communicating with the first slow flow chamber, and the second frame is provided with a second drainage hole communicating with the second slow flow chamber; The water-gas separator further comprises an opening and closing structure, wherein the opening and closing structure is connected to the first frame and is used to open or close the first drainage hole.

9. The water-gas separator according to claim 8, characterized in that: The first frame is also provided with a third drainage hole, and a drainage channel connecting the third drainage hole and the second drainage hole is provided between the third drainage hole and the second drainage hole. The opening and closing structure is also used to open or close the third drainage hole.

10. The water-gas separator according to claim 8 or 9, characterized in that: The opening and closing structure is arranged on the outside of the first slow flow cavity, and has a connecting end and a free end arranged opposite to the connecting end. The connecting end is connected to the first frame, and the free end is used to swing relative to the connecting end in a direction away from the first frame under the action of liquid.

11. A cleaning device, characterized in that: include: The machine body has a sewage suction port; A sewage tank, arranged on the machine body, the sewage tank comprises a box body and a cover body, the box body has a sewage cavity and a sewage inlet and an opening communicated with the sewage cavity, the sewage inlet is communicated with the sewage suction port, the cover body covers the opening, the cover body comprises the water-gas separator according to any one of claims 1 to 10, and the air inlet is communicated with the sewage cavity; A fan is installed on the body, the air inlet of the fan is connected to the air outlet, and the air flow generated by the fan passes through the sewage suction port, the sewage chamber, the air inlet, the air outlet and the air inlet in sequence.

12. The cleaning device according to claim 11, characterized in that The inner wall surface of the sewage chamber includes a bottom wall surface and a peripheral wall surface, and the bottom wall surface is arranged opposite to the opening; the sewage tank also includes: A sewage inlet pipe is connected to the bottom wall, a first end of the sewage inlet pipe is the sewage inlet, a second end of the sewage inlet pipe is a sewage outlet extending into the sewage cavity, and the sewage outlet is spaced apart from the opening.

13. The cleaning device according to claim 12, characterized in that The sewage outlet faces a direction away from the air inlet.

14. The cleaning device according to claim 12, characterized in that The cover body also includes a baffle, which is connected to the first frame and extends into the sewage chamber. The baffle is located between the sewage inlet pipe and the air inlet, and is spaced apart from the sewage inlet pipe and the bottom wall.

15. The cleaning device according to claim 11, characterized in that The sewage tank also includes: A partition is located in the sewage chamber and connected to the box body.

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