Sewage bucket, cleaning equipment and cleaning method

Abstract

The invention relates to a sewage bucket, cleaning equipment and a cleaning method, and relates to the technical field of cleaning. The sewage barrel comprises a shell and a separation assembly, the shell is provided with an air suction port, a containing cavity and an exhaust port, and the air suction port and the exhaust port are communicated with the containing cavity; the separation assembly is installed in the containing cavity and comprises a first separation part and a dust box, the first separation part is provided with an air inlet, an air outlet and a dust collection opening, and the dust box is detachably connected to the dust collection opening; the inner diameter of the first separating piece is gradually increased in the direction from the dust collecting opening to the air outlet, and the air inlet is formed in the side of the first separating piece. According to the invention, dust separation in the dry dust removal process can be effectively realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cleaning, in particular to a sewage tank, a cleaning device and a cleaning method. BACKGROUND

[0002] At present, the wet type dirt suction method is usually used to recycle the sewage and impurities on the ground in the process of cleaning the ground by the scrubber. However, the traditional scrubber lacks effective pretreatment structure for removing dry dust or fine particles. In the dry dust removal process, the scrubber has the technical problem of being unable to effectively separate dust. SUMMARY

[0003] Therefore, it is necessary to provide a sewage tank, a cleaning device and a cleaning method in view of the problem that the scrubber cannot effectively separate dust.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows:

[0005] In a first aspect, the present application provides a sewage tank, comprising:

[0006] a shell provided with an air suction port, a containing cavity and an air exhaust port, the air suction port and the air exhaust port being communicated with the containing cavity respectively;

[0007] a separation assembly installed in the containing cavity, the separation assembly comprising a first separation piece and a dust box, the first separation piece being provided with an air inlet, an air outlet and a dust collection port, and the dust box being detachably connected to the dust collection port;

[0008] wherein the inner diameter of the first separation piece gradually increases along the direction from the dust collection port to the air outlet, and the air inlet is arranged on the side of the first separation piece.

[0009] In one of the embodiments of the first aspect, the separation assembly further comprises a bracket, the bracket being installed in the shell, and the first separation piece and the bracket being detachably connected.

[0010] In one of the embodiments of the first aspect, the bracket is provided with an airflow channel, one end of the airflow channel being communicated with the air outlet, and the other end being communicated with the air exhaust port.

[0011] In one of the embodiments of the first aspect, the separation assembly further comprises a filter piece, the filter piece being arranged at the communication position of the airflow channel and the air exhaust port, and the diameter of the air inlet being smaller than the diameter of the air outlet.

[0012] In one of the embodiments of the first aspect, the end of the bracket connected with the first separation piece protrudes in the first separation piece, and the protruding length is h.

[0013] The first separating member comprises a cone section and a cylinder section, the cone section and the cylinder section are fixedly connected, and the inner diameter of the cylinder section is D1, and 0.3*D1≤h≤0.5*D1 is satisfied.

[0014] In one of the embodiments of the first aspect, the separating assembly further comprises a second separating member, the second separating member comprises an air inlet cone and a conveying pipe, the air inlet cone is in communication with the air inlet, and one end of the conveying pipe away from the air inlet cone is in communication with the air inlet, and the inner diameter of the air inlet cone gradually decreases in the direction from the air inlet to the conveying pipe.

[0015] In one of the embodiments of the first aspect, the separating assembly further comprises a detecting member, and the detecting member is arranged at the air outlet.

[0016] In one of the embodiments of the first aspect, the first separating member comprises a cone section and a cylinder section, the cone section and the cylinder section are fixedly connected, the inner diameter of the cylinder section is D1, the inner diameter of the air inlet is D2, the inner diameter of the air outlet is D3, and the inner diameter of the dust outlet is D4, and 0.3*D1≤D2≤0.5*D1, and / or 0.4*D1≤D3≤0.75*D1, and / or 0.15*D1≤D4≤0.4*D1 are satisfied.

[0017] In one of the embodiments of the first aspect, the shell comprises an upper shell and a lower shell, the upper shell and the lower shell are detachably connected, and the accommodating cavity is defined by the upper shell and the lower shell.

[0018] In the second aspect, the embodiments of the present application further provide a cleaning device, which comprises the sewage bucket in any of the above embodiments.

[0019] In the third aspect, the embodiments of the present application further provide a cleaning method, which is applied to the cleaning device in any of the above embodiments, and the cleaning method comprises the following steps.

[0020] The fan is started, and dust is followed by airflow into the first separating member;

[0021] Part of the dust is separated in the first separating member;

[0022] After the secondary separation of the filtering member, the airflow is discharged through the air outlet.

[0023] In one of the embodiments of the third aspect, the cleaning method further comprises the following steps.

[0024] The detecting member detects that large particles enter at the air outlet, the system judges that the large particles are inhaled by mistake, and the fan is paused, and after 5 seconds, the system starts the fan again.

[0025] Compared with the related art, the application has the beneficial effects that the application provides a sewage bucket, a cleaning device and a cleaning method, which can separate dust in a dry dust removal process. The sewage bucket comprises a shell and a separation assembly, and the separation assembly comprises a first separation piece and a dust box. The inner diameter of the first separation piece gradually increases in the direction from the dust collection port to the air outlet, forming a conical structure. Since the air inlet is arranged on the side of the first separation piece, when the airflow carrying dust enters the conical first separation piece through the air inlet, due to the large speed of the airflow and the inertial effect, the larger particles in the suction will spiral down along the inner side wall of the first separation piece and finally be discharged into the dust box through the dust collection port, effectively realizing dust separation in the dry dust removal process. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only constitute some embodiments of the application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0027] Figure 1 It is a sectional structure schematic diagram of the sewage bucket in some embodiments of the application.

[0028] Figure 2 It is Figure 1 It is an enlarged structure schematic diagram of part A shown in the figure.

[0029] Figure 3 It is a split structure schematic diagram of the sewage bucket in some embodiments of the application.

[0030] Figure 4 It is a structure schematic diagram of the separation assembly in some embodiments of the application.

[0031] Figure 5 It is a structure schematic diagram of the lower shell in some embodiments of the application.

[0032] Figure 6 It is a structure schematic diagram of the first separation piece in some embodiments of the application.

[0033] Figure 7 It is a structure schematic diagram of the cleaning device in some embodiments of the application.

[0034] Figure 8 It is a structure schematic diagram of the cleaning method in some embodiments of the application.

[0035] Figure 9 It is a logic schematic diagram of the detection piece in some embodiments of the application.

[0036] Explanation of reference signs:

[0037] 1000, cleaning device;

[0038] 100, sewage bucket; 110, shell; 111, upper shell; 112, lower shell; 113, air inlet; 114, air outlet; 115, containing cavity; 120, separation assembly; 121, first separation piece; 1211, cone section; 1212, cylinder section; 1213, air inlet; 1214, air outlet; 1215, dust collection port; 122, dust box; 123, bracket; 1231, air flow channel; 124, second separation piece; 1241, air inlet cone; 1242, conveying pipeline; 125, filter piece; 126, detection piece;

[0039] 200, floor brush; 300, handle. DETAILED DESCRIPTION

[0040] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a variety of ways beyond the specific embodiments described herein without departing from the scope of the present application, and it will be apparent to those skilled in the art that similar modifications of structure, materials, or use can be practiced within the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0041] In the description of the present application, it should be understood that if these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0042] In addition, if there is a term "and / or", "and / or" is merely a description of the relationship between the associated objects, indicating that there can be three relationships, for example, A and / or B, which can represent the existence of A alone, the existence of A and B at the same time, and the existence of B alone. In addition, the character " / " in this paper generally represents that the associated objects before and after are an "or" relationship. If these terms "first", "second" appear, these terms are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one feature. In the description of the present application, if the term "a plurality of" appears, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified.

[0043] In this application, unless otherwise expressly specified and limited, if the terms "mounting", "connecting", "connecting", "fixing" and the like appear, these terms should be broadly understood. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise expressly limited. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0044] In this application, unless otherwise expressly specified and limited, if the first feature is described as "on" or "under" the second feature and the like, it can mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be the first feature directly above or obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The first feature "below", "below" and "below" of the second feature can be the first feature directly below or obliquely below the second feature, or only indicates that the first feature is lower than the second feature in horizontal height.

[0045] It should be noted that if an element is referred to as "fixed to" or "provided on" another element, it can be directly on another element or there can be a middle element. If an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. If there is, the terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in this application are only for illustrative purposes and do not represent the only implementation.

[0046] In the related art, in order to broaden the use scene, a dust collection mode is developed. At this time, the scrubber only sucks dirt and does not supply water, and is in a dry dust removal state. Since there is no water sinking effect, dust is easy to enter the fan and cause blockage, resulting in that the scrubber is not suitable for carpet cleaning and the like.

[0047] Referring to Figure 1 To improve the above problems, an embodiment of the present application provides a sewage bucket 100 for separating dust during dry dust removal of the scrubber.

[0048] Specifically, the sewage bucket 100 comprises a shell 110 and a separation assembly 120. The shell 110 is provided with an air suction port 113, a containing cavity 115 and an air exhaust port 114. The air suction port 113 and the air exhaust port 114 are respectively communicated with the containing cavity 115. The separation assembly 120 is installed in the containing cavity 115. In this way, during operation, dust follows the airflow into the separation assembly 120 from the air suction port 113. After being filtered by the separation assembly 120, the clean airflow is discharged from the air exhaust port 114 to meet the dry dust removal operation of the scrubber.

[0049] Continuing to refer to Figure 2 The separation assembly 120 comprises a first separation piece 121 and a dust box 122. The first separation piece 121 has an air inlet 1213, an air outlet 1214 and a dust collection port 1215. The dust box 122 is detachably connected to the dust collection port 1215. The inner diameter of the first separation piece 121 gradually increases along the direction from the dust collection port 1215 to the air outlet 1214. The air inlet 1213 is arranged at the side of the first separation piece 121.

[0050] For example, the shell 110 has a cylindrical structure. The air suction port 113 is arranged at the lower end of the shell 110, and the air exhaust port 114 is arranged at the upper end of the shell 110. Thus, during ground cleaning, the airflow can be sucked from the air suction port 113 below and discharged from the air exhaust port 114 above, which is the same as the airflow direction in the conventional wet cleaning process. The first separation piece 121 has a conical structure with the inner diameter gradually increasing upwards. The air inlet 1213 is located at the side of the first separation piece 121. The air outlet 1214 is located at the upper end of the first separation piece 121. The dust collection port 1215 is located at the lower end of the first separation piece 121.

[0051] The dust box 122 has a cylindrical structure and is provided with an internal thread. The outer side of the dust collection port 1215 is provided with an external thread. The dust box 122 is locked to the dust collection port 1215 of the first separation piece 121 through thread cooperation, so as to facilitate cleaning and disassembly of the dust box 122. At the same time, through the thread sealing connection structure, it is ensured that the components are connected tightly to prevent dust leakage.

[0052] Of course, in other embodiments, the dust box 122 can also be provided with external threads, and the dust collection port 1215 is provided with internal threads. In addition, the dust box 122 and the first separation piece 121 can also be connected by screwing, buckle buckling and the like, which can facilitate the disassembly of the dust box 122. Here, no specific limitation is made.

[0053] It can be understood that during the cleaning process, the sewage bucket 100 provided by the embodiment of the application needs to be combined with the fan to work to provide suction to suck dust into the sewage bucket 100. In this way, the fan is installed at one end of the exhaust port 114 of the sewage bucket 100. During operation, dust follows the airflow into the housing 110 through the air inlet 113 below and flows into the first separation piece 121 from the air inlet 1213. The dust enters through the side of the conical first separation piece 121. Due to the high flow rate of the airflow, and under the action of inertia, larger particles will spiral down along the conical wall of the first separation piece 121 and eventually fall into the dust box 122 below. The airflow is finally discharged through the exhaust port 114, realizing dust separation during the dry dust collection process of the scrubber, and avoiding the problem of fan blockage caused by dust entering the fan.

[0054] In summary, the embodiment of the application sets the first separation piece 121 as a conical structure, and sets the air inlet 1213 at the side of the first separation piece 121, so that after the dust-air mixture enters at high speed, the large-particle dust is made to spiral down along the inner wall of the first separation piece 121 under the action of inertia, realizing the separation of the particle dust.

[0055] Continuing to refer to Figure 3 In some embodiments, the housing 110 includes an upper shell 111 and a lower shell 112, and the upper shell 111 and the lower shell 112 are detachably connected and define a receiving cavity 115.

[0056] For example, the air inlet 113 is located at the bottom of the lower shell 112, and the exhaust port 114 is located at the top of the upper shell 111. The upper shell 111 and the lower shell 112 are both plastic shell pieces, and are connected by inserting the bottom of the upper shell 111 into the upper part of the lower shell 112 to form an interference fit, so as to seal the connection between the upper shell 111 and the lower shell 112. In this way, the upper shell 111 and the lower shell 112 can be disassembled and assembled, which facilitates the removal of the internal separation assembly 120 and facilitates cleaning and replacement.

[0057] It can be understood that in the dry dust removal mode, the scrubber does not supply water, and there is no dirty water residue in the sewage tank. Therefore, when switching to the wet dust removal mode, the sewage tank can be replaced as a whole, or the upper shell 111 can be opened, and the separation assembly 120 can be removed, so that the sewage tank can store sewage.

[0058] Continuing to refer to Figure 4As shown, in some embodiments, the separation assembly 120 further comprises a bracket 123, which is mounted in the housing 110, and the first separation piece 121 is detachably connected with the bracket 123.

[0059] For example, the bracket 123 is locked with the upper shell 111 by screws, so as to fix the first separation piece 121 on the upper shell 111. In this way, when the upper shell 111 is disassembled, the separation assembly 120 can be taken out together with the upper shell 111, which facilitates the cleaning or replacement of the separation assembly 120, and makes the separation assembly 120 have a replaceable and cleanable modular design.

[0060] Referring back to Figure 2 As shown, in some embodiments, the bracket 123 is provided with an airflow passage 1231, one end of the airflow passage 1231 is in communication with the air outlet 1214, and the other end is in communication with the exhaust port 114.

[0061] For example, the end of the airflow passage 1231 connected with the first separation piece 121 is provided with external threads, the air outlet 1214 of the first separation piece 121 is provided with internal threads, and the first separation piece 121 is locked with the bracket 123 by thread cooperation, so as to ensure the tight connection between the components and prevent dust leakage. After the airflow is discharged from the air outlet 1214 of the first separation piece 121, it enters the airflow passage 1231 of the bracket 123, and is finally discharged through the exhaust port 114 of the housing 110.

[0062] Continuing to refer to Figure 5 As shown, in some embodiments, the separation assembly 120 further comprises a filter piece 125, which is arranged at the communication position between the airflow passage 1231 and the exhaust port 114, and the diameter of the air inlet 1213 is smaller than that of the air outlet 1214.

[0063] For example, the filter piece 125 is a filter screen, which is mounted on the top of the lower shell 112 and adheres to the end face of the airflow passage 1231. In this way, after the larger particles in the gas-dust mixture are separated by the first separation piece 121, the smaller dust that may remain in the airflow is filtered on one side of the filter piece 125 in the airflow passage 1231 when the airflow flows through the filter piece 125, so as to further separate the dust and ensure the normal operation of the fan. At the same time, by designing the diameter of the air outlet 1214 to be larger than that of the air inlet 1213, the flow area is increased and the airflow speed is slowed down, which is more conducive to the subsequent filtering of small particles by the filter piece 125. Through the double setting of the first separation piece 121 and the filter screen, the application realizes the multi-stage separation and dust removal effect.

[0064] Further, the lower shell 112 is provided with a slot for mounting the filter piece 125, and the filter piece 125 is inserted into the slot, so as to realize the quick mounting and replacement of the filter piece 125 and improve the maintenance efficiency.

[0065] With reference to the accompanying drawings being continued Figure 6 As shown, in some embodiments, the end of the support 123 connected with the first separating piece 121 protrudes into the first separating piece 121 by a length of h. The first separating piece 121 comprises a conical section 1211 and a cylindrical section 1212, which are fixedly connected, and the inner diameter of the cylindrical section 1212 is D1, and it is satisfied that 0.3*D1≤h≤0.5*D1.

[0066] For example, one end of the support 123 is threadedly connected with the first separating piece 121, and there is a part of the end protruding into the first separating piece 121, so that when the airflow enters the first separating piece 121, it will be blocked by the protruding end, thereby avoiding the airflow directly carrying dust out of the air outlet 1214, and ensuring the separation effect of the first separating piece 121.

[0067] At the same time, the first separating piece 121 is composed of the conical section 1211 and the cylindrical section 1212, the dust collection port 1215 is located at the end of the conical section 1211 with a smaller inner diameter, and the cylindrical section 1212 is connected with the end of the conical section 1211 with a larger inner diameter, so that the dust can spiral down along the wall surface of the conical section 1211 and finally fall into the dust box 122 through the dust collection port 1215. And it is limited that 0.3*D1≤h≤0.5*D1, so as to avoid that the support 123 protrudes too much, causing too much resistance to the flow of airflow, affecting the absorption efficiency of the airflow, and also avoiding that the support 123 protrudes too little, and the airflow carrying dust between the inlet and outlet ports 1214 is discharged.

[0068] Further, the inner diameter of the air inlet 1213 is D2, and it is limited that 0.3*D1≤D2≤0.5*D1. In this way, through the above size setting, the air inlet rate is within a reasonable range. Avoiding that the inner diameter of the air inlet 1213 is too small, the airflow velocity is too fast, and the residence time in the first separating piece 121 is too short, and a large amount of dust is carried out through the air outlet 1214. At the same time, it also avoids that the inner diameter of the air inlet 1213 is too large, the airflow velocity is too slow, the inertia of the dust is insufficient, and the separation effect is poor.

[0069] Further, the inner diameter of the air outlet 1214 is D3, and it is limited that 0.4*D1≤D3≤0.75*D1. In this way, through the above size setting, the air outlet rate is within a reasonable range. Avoiding that the inner diameter of the air outlet 1214 is too small, the discharge amount of the airflow is small, and the cleaning efficiency is reduced. At the same time, it also avoids that the inner diameter of the air outlet 1214 is too large, and a large amount of dust is sucked out.

[0070] Further, the inner diameter of the dust outlet 1215 is D4, and is limited to 0.15*D1≤D4≤0.4*D1. In this way, by setting the size as described above, the discharge rate of the dust is within a reasonable range. Avoiding that the inner diameter of the dust outlet 1215 is too small, the dust cannot fall into the dust box 122 quickly, causing the dust outlet 1215 to be blocked. At the same time, it is also avoided that the inner diameter of the dust outlet 1215 is too large, the flow rate of the airflow is large, and the separation effect of the dust is limited.

[0071] In some embodiments, the separation assembly 120 further comprises a second separation piece 124, the second separation piece 124 comprising an air inlet cone 1241 and a conveying pipe 1242, the air inlet cone 1241 being in communication with the air inlet 113, and the conveying pipe 1242 being in communication with the air inlet 1213 at an end away from the air inlet cone 1241, and the inner diameter of the air inlet cone 1241 gradually decreases in the direction from the air inlet 113 to the conveying pipe 1242.

[0072] For example, the bottom of the air inlet cone 1241 is in communication with the air inlet 113 of the shell 110, so that a large bottom inner diameter is used to absorb sufficient air flow, and the inner diameter of the top of the air inlet cone 1241 is reduced, thereby causing the air flow rate to increase, improving the air inlet rate of the first separation piece 121 and ensuring the separation effect. The conveying pipe 1242 has an L-shaped structure to connect the top of the air inlet cone 1241 and the side of the first separation piece 121, respectively, and can effectively reduce the overall area occupied by the separation assembly 120 and simplify the overall volume.

[0073] In some embodiments, the separation assembly 120 further comprises a detection piece 126, which is arranged at the air outlet 1214.

[0074] For example, the detection piece 126 can obtain the size of the dust at the air outlet 1214, so that when the dust at the air outlet is larger than a set value, the fan stops working to avoid large particles of dust entering the fan, and the dust can fall into the dust box 122 under the action of gravity, which is also convenient for the user to clean.

[0075] Optionally, the detection piece 126 can be a pair of oppositely arranged infrared electrode pieces, one being an emitter electrode piece and the other being a receiver electrode piece, so as to determine the degree of dirt of the air intake by the refractive index of infrared light, and when there is large volume of dirt, the refractive index is low. The present application can achieve the effect of preventing large particles from being inhaled by real-time adjustment of the power of the suction fan through the detection piece 126 installed at the air outlet 1214.

[0076] Continuing to refer to Figure 7 The embodiments of the present application also provide a cleaning device 1000, which comprises the sewage tank 100 of any of the above embodiments.

[0077] The cleaning device 1000 also includes a floor brush 200 and a handle 300. The floor brush 200 is in contact with the ground to suck dust into the sump 100. The handle 300 and the sump 100 are both installed above the floor brush 200 to facilitate the user to operate the handle 300 to perform corresponding cleaning work.

[0078] Optionally, the cleaning device 1000 can be one of a scrubber, a vacuum cleaner, a sweeping robot, etc., and can use the sump 100 provided in the present application to perform dry dust removal work.

[0079] The sump 100 in the embodiment has all the beneficial effects of the sump 100 in any of the above embodiments, and thus will not be described again.

[0080] The embodiment of the present application also provides a cleaning method applied to the cleaning device 1000 in any of the above embodiments.

[0081] Continuing to refer to Figure 8 The cleaning method includes:

[0082] S10, the fan is started, and dust is sucked into the first separating piece 121 along with the airflow.

[0083] Optionally, the operation mode of the cleaning device 1000 is adjusted to the dry dust removal mode, the fan is started, and dust is sucked into the first separating piece 121 along with the airflow through the air inlet 113. Due to the conical structure of the second separating piece 124, the airflow maintains a high flow rate when entering the first separating piece 121.

[0084] S20, part of the dust is separated in the first separating piece 121.

[0085] Optionally, due to the high-speed flow of the airflow, under the action of inertia, larger particle dust spirals down along the conical wall surface of the first separating piece 121 and finally falls into the dust box 122. Smaller dust will be discharged along with the airflow through the air outlet 1214.

[0086] S30, after the secondary separation of the filter piece 125, the airflow is discharged through the air outlet 114.

[0087] Optionally, the airflow after the primary separation flows through the filter piece 125 through the air outlet 1214. The filter piece 125 filters smaller dust in the airflow again, thereby avoiding the blockage caused by the suction of dust.

[0088] Continuing to refer to Figure 9 In some embodiments, the cleaning method further includes:

[0089] When the detection member 126 detects that a large particle enters at the air outlet 1214, the system judges that it is an aspiration error and suspends the fan. The dust at the air outlet 1214 can fall into the first separation member 121 under the action of gravity and fall into the dust box 122 through the dust collection port 1215. After 5 seconds, the system starts the fan again, and the detection member 126 continues to detect to ensure that no large particle dust enters and thus blocks the filter member 125.

[0090] The technical features of the above-described embodiments can be combined in any manner. To make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, but as long as the combinations of the technical features do not contradict each other, they should be considered within the scope of the present disclosure.

[0091] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the present application. It should be pointed out that, for ordinary skilled persons in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the patent protection scope of the present application should be subject to the appended claims.

Claims

1. A sewage bucket, characterized in that, The sewage bucket comprises a shell, a separation assembly and a dust box. The shell is provided with an air inlet, a containing cavity and an air outlet. The separation assembly is installed in the containing cavity. The separation assembly comprises a first separation piece and a dust box.

2. The sewage bucket of claim 1, wherein, The first separation piece has an air inlet, an air outlet and a dust outlet.

3. The sewage bucket of claim 2, wherein, The dust box is detachably connected to the dust outlet.

4. The sewage bucket of claim 3, wherein, The inner diameter of the first separation piece gradually increases along the direction from the dust outlet to the air outlet.

5. The sewage bucket of claim 3, wherein, The air inlet is arranged on the side of the first separation piece. The separation assembly further comprises a bracket.

6. The sewage bucket of claim 1, wherein, The bracket is installed in the shell.

7. The sewage bucket of claim 1, wherein, The first separation piece is detachably connected to the bracket.

8. The sewage bucket of claim 1, wherein, The bracket is provided with an airflow channel.

9. The sewage bucket of any one of claims 1 to 8, wherein, One end of the airflow channel is in communication with the air outlet.

10. A cleaning apparatus, characterized by The other end of the airflow channel is in communication with the air outlet.

11. A cleaning method characterized by, The separation assembly further comprises a filter. The filter is arranged at the communication position between the airflow channel and the air outlet. The diameter of the air inlet is smaller than the diameter of the air outlet. The end of the bracket connected to the first separation piece protrudes into the first separation piece.

12. The cleaning method of claim 11, wherein, The protruding length is h. The first separation piece comprises a cone segment and a cylinder segment. The inner diameter of the cylinder segment is D1. 0.3*D1≤h≤0.5*D1. The separation assembly further comprises a second separation piece. The second separation piece comprises an air inlet cone and a conveying pipeline. One end of the conveying pipeline away from the air inlet cone is in communication with the air inlet. The inner diameter of the air inlet cone gradually decreases along the direction from the air inlet to the conveying pipeline. The separation assembly further comprises a detection piece. The detection piece is arranged at the air outlet. The first separation piece comprises a cone segment and a cylinder segment. The inner diameter of the cylinder segment is D1. The inner diameter of the air inlet is D2. The inner diameter of the air outlet is D3. The inner diameter of the dust outlet is D4. 0.3*D1≤D2≤0.5*D1. 0.4*D1≤D3≤0.75*D1. 0.15*D1≤D4≤0.4*D1. The shell comprises an upper shell and a lower shell. The upper shell and the lower shell are detachably connected and define the containing cavity. The sewage bucket comprises any one of claims 1 to 9. The cleaning method comprises: The fan is started. Dust follows the airflow into the first separation piece. Part of the dust is separated in the first separation piece. After the filter performs secondary separation, the airflow is discharged through the air outlet. The cleaning method further comprises: The detection piece detects that large particles enter the air outlet. The system judges that it is mistaken inhalation and suspends the fan. After 5 seconds, the system starts the fan again.

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