Dust box for cleaning robot and cleaning robot

Abstract

The invention relates to a dust box for a cleaning robot and the cleaning robot, and the dust box comprises a shell which is hollow inside to form a containing cavity and is provided with a dust inlet, a sewage outlet and an air outlet; the fan is arranged on one side of the shell, and an air inlet of the fan is communicated with the air outlet of the shell; the vortex separation structure is arranged at the lower part of the accommodating cavity, is positioned below the highest water level of the accommodating cavity, and is used for enabling the garbage entering from the dust inlet to generate vortex in the accommodating cavity; and the cyclone separation structure is arranged at the upper part of the accommodating cavity and comprises a separation channel with an air inlet at one end and an air outlet at the other end, the air inlet is in fluid communication with the outlet airflow of the vortex separation structure, the air outlet is in fluid communication with the air outlet, and a cyclone device is arranged in the separation channel at intervals. According to the dust box, primary separation of gas garbage and solid-liquid garbage and secondary separation of the gas-liquid garbage can be achieved, the recovery rate of sewage by the dust box is increased, and the sewage collected in the containing cavity can be discharged through the sewage outlet under the negative pressure suction effect.

Description

Technical Field

[0001] This invention relates to the field of cleaning equipment, and more particularly to a dustbin for a cleaning robot and a cleaning robot. Background Technology

[0002] Existing dustbins used in cleaning robots generally only have the function of storing garbage and dust, and do not have the ability to separate and process garbage and dust. They can only filter the garbage and dust through a filter at the back end. For example, Chinese invention patent application number CN202311855801.1 (publication number CN117752259A) discloses a dustbin device, which includes: a dustbin body forming a dust collection chamber, the dustbin body having an installation port, an air inlet and an air outlet, and the edge of the installation port having a plurality of spaced first locking structures; a filter assembly including a cover and a filter connected to the cover, the cover closing onto the installation port, the filter extending into the dust collection chamber to separate the air inlet and the air outlet, the cover having a plurality of spaced second locking structures, and the plurality of second locking structures being arranged one-to-one with the plurality of first locking structures.

[0003] As can be seen from the above, the existing dustbin structure causes all waste to come into contact with the filter and fall into the dustbin solely due to gravity. Fine dust, water droplets, and fibers adhere to the surface and grooves of the end filter under static electricity, affecting the filter's separation and filtration efficiency. This reduces the cleaning robot's suction power, resulting in decreased cleaning effectiveness and requiring users to clean the filter, thus degrading the user experience. Furthermore, prolonged neglect of cleaning allows bacteria to grow in dirty and humid environments, further damaging the filter structure. In addition, frequent disassembly and cleaning shortens the filter's lifespan, forcing users to replace the filter more frequently, increasing operating costs. Summary of the Invention

[0004] The first technical problem to be solved by the present invention is to provide a dust box for a cleaning robot with a waste separation function, which is in contrast to the prior art.

[0005] The second technical problem to be solved by the present invention is to provide a dust box for cleaning robots that has a waste separation function and a good separation effect, in contrast to the prior art.

[0006] The third technical problem to be solved by the present invention is to provide a dust box for a cleaning robot that has a waste separation function and a self-cleaning function, in contrast to the prior art.

[0007] The fourth technical problem to be solved by the present invention is to provide a cleaning robot with the above-mentioned dust box, in contrast to the prior art.

[0008] The technical solution adopted by the present invention to solve at least one of the above-mentioned technical problems is: a dust box for a cleaning robot, characterized in that it comprises:

[0009] The shell is box-shaped with a hollow interior forming a cavity, and is equipped with a dust inlet, a sewage outlet, and an air outlet.

[0010] The fan is located on one side of the casing, and its air inlet is connected to the air outlet of the casing.

[0011] The eddy current separation structure is located in the lower part of the above-mentioned cavity and below the highest water level line of the cavity, opposite to the above-mentioned dust inlet, and is used to cause the garbage entering through the dust inlet to generate eddies in the cavity.

[0012] The cyclone separation structure is disposed on the upper part of the above-mentioned cavity and located above the highest water level line of the cavity. It includes a separation channel with an air inlet at one end and an air outlet at the other end. The air inlet is in fluid communication with the air outlet of the vortex separation structure, and the air outlet is in fluid communication with the air outlet. A cyclone device is provided in the middle of the separation channel.

[0013] Furthermore, the vortex separation structure includes a baffle wall vertically disposed on the inner bottom surface of the aforementioned shell. This baffle wall is arc-shaped and recessed towards the dust inlet. In this way, the waste entering through the dust inlet can generate a vortex under the guidance of the baffle wall, achieving a single separation of gaseous waste from solid-liquid waste.

[0014] Furthermore, the baffle consists of two pieces, symmetrically arranged opposite the dust inlet with the central axis of the dust inlet as the center, and a gap is left between the two baffles. The outer edge of each baffle relative to the other baffle is respectively attached to the corresponding inner surface of the housing.

[0015] A column is installed in the aforementioned cavity, directly opposite the dust inlet. A gap exists between the column and the dust inlet, and the column completely obscures the dust inlet when viewed from the column towards the dust inlet. Waste entering through the dust inlet is blocked by the column and diverted to both sides, entering corresponding baffles along the inner surface of the shell, thus forming vortices. These vortices have a certain self-cleaning effect on the inner surface of the shell.

[0016] Furthermore, the dust inlet and air outlet are respectively located on the front and rear side walls of the housing. A separation pipe is horizontally arranged in the cavity along the distance between the dust inlet and the air outlet. The inner cavity of the separation pipe forms the aforementioned separation channel, with the air inlet of the separation channel on the same side as the dust inlet, and the aforementioned vortex separation structure on the same side as the air outlet. This design allows for a better construction of the separation channel structure within the cavity, and also enables the airflow entering the cavity to flow more smoothly and exit smoothly from the air outlet.

[0017] Furthermore, the cyclone device includes a cyclone element disposed at its inlet end along the length of the separation tube. The cyclone element includes a shaft extending along the straight line of the central axis of the inlet and blades connected to the shaft. There are at least two blades, evenly spaced circumferentially around the shaft, and each blade extends spirally along the length of the shaft. This allows for sufficient gas-liquid separation when the airflow entering the separation channel passes through the cyclone element.

[0018] Furthermore, the cross-sectional area of ​​the separator tube remains uniform at the location of the cyclone element, but increases gradually from the inlet to the outlet after the cyclone element. This allows the airflow to pass through the cyclone element relatively smoothly, ensuring the separation effect of the cyclone element. On the other hand, the increased cross-sectional area of ​​the separation channel reduces the airflow velocity, allowing residual liquid in the airflow to drip off under its own gravity, further achieving gas-liquid separation.

[0019] Furthermore, in the longitudinal section of the separator, the upper side extends horizontally from the air inlet to the air outlet, while the lower side extends downwards from the air inlet to the air outlet. This allows the dripping liquid after gas-liquid separation to flow downwards along the inner bottom surface of the separator and exit from the air outlet, preventing liquid residue from remaining in the separator.

[0020] Furthermore, a baffle is provided in the air outlet of the separator. The baffle is semi-circular and covers the upper end of the air outlet, and the lower end of the baffle is flush with the shaft of the cyclone component. This prevents the negative pressure suction of the fan from acting directly on the cyclone component, ensuring the separation effect of the cyclone component on the airflow.

[0021] Furthermore, the separation pipes are at least two in number and are arranged side-by-side at intervals along the left-right direction of the cavity. The air outlet end of each separation pipe is connected to a water collection cover. The water collection cover is square and arranged along the direction of the separation pipes, and is attached to the inner side of the housing where the air outlet is located.

[0022] Furthermore, the bottom wall of the aforementioned water collection hood is lower than the air outlet and the air outlets of each separation pipe. A water collection port is provided on this bottom wall, located at the middle of the bottom wall along its length, and the two sides of the inner bottom surface of the water collection hood slope downwards towards the water collection port. The design of multiple separation pipes can improve the separation efficiency of the airflow, and the water collection hood can collect the water generated after separation in each separation pipe, and the collected water can drip uniformly into the lower part of the cavity through the water collection port.

[0023] Furthermore, a one-way valve is installed on the water collection port to control its opening and closing. When the cleaning robot is working, the sum of the air pressure and water pressure above the water collection port equals the air pressure below the water collection port, and the one-way valve is closed. When the cleaning robot is not working, the air pressure above the water collection port equals the air pressure below the water collection port, and the water pressure at the water collection port opens the one-way valve. In this way, the opening and closing of the water collection port can be controlled by the one-way valve, and the wastewater collected in the water collection hood after the cleaning robot stops working can be discharged into the container through the water collection port, and then discharged out through the drain outlet.

[0024] Furthermore, the cavity is also equipped with a vortex-blocking structure, which is located above the aforementioned vortex-separating structure and below the aforementioned cyclone-separating structure, and is higher than the highest water level line of the cavity. This prevents the formation of ineffective vortices above the vortex-separating structure, thus helping to avoid airflow loss and improve wind power utilization.

[0025] Furthermore, the vortex blocking structure includes a partition laterally spaced between the vortex separating structure and the cyclone separating structure, and two first vortex blockers disposed on the lower surface of the partition. Each first vortex blocker corresponds to one of the aforementioned baffles, with each block located above and to the side of its corresponding baffle. Each first vortex blocker includes three vertically extending arc-shaped plates, the radius of each arc-shaped plate being smaller than that of the corresponding baffle. One end of each arc-shaped plate is axially connected, and the arc-shaped plates are evenly spaced circumferentially in the same direction. This design, through the first vortex blockers, prevents the formation of ineffective vortices above the baffles from bottom to top, thus better minimizing airflow loss.

[0026] Furthermore, the vortex-blocking structure also includes a second vortex blocker, which is a sloping wall formed by the lower surface of the baffle extending upwards from the air outlet to the air inlet of the separator pipe, then smoothly bending downwards and extending upwards towards the air outlet. This second vortex blocker prevents the formation of vortices when the airflow flows towards the air inlet, further minimizing airflow loss and improving wind power utilization.

[0027] Furthermore, each of the separation pipes has a vertically arranged baffle plate extending in the left-right direction of the cavity below its air inlet end, and the baffle plate is provided with grid holes. In this way, when the airflow passes through the baffle plate, some of the liquid in the airflow will separate after colliding with the baffle plate and flow down along the baffle plate.

[0028] Furthermore, the baffle plate is disposed on the aforementioned partition and adjacent to the aforementioned inclined wall, and the upper end of the inclined wall extends upward along its own length direction to connect with the upper end of the baffle plate. The side of the inclined wall opposite to the baffle plate forms a first guide surface. In this way, the airflow can be guided to the baffle plate better by the guidance of the first guide surface.

[0029] Furthermore, each of the separation pipes has a guide plate below its air inlet. Each guide plate is parallel to the inclined wall, and the lower end of each guide plate abuts against the lower end of the baffle plate along its length. The surfaces of each guide plate and the baffle plate that face each other form a second guiding surface. The airflow passing through the baffle plate is guided by the second guiding surface to flow more effectively towards the air inlet.

[0030] Furthermore, it also includes a self-cleaning structure, which includes a water inlet formed on the top wall of the aforementioned housing and a water outlet seat having a water inlet hole and disposed above the aforementioned vortex separation structure. The water outlet seat is located in the aforementioned cavity in the left-right direction, and the interior of the water outlet seat is hollow to form a water flow channel.

[0031] Furthermore, the water outlet includes a central water inlet and water outlets on either side of the water inlet along its length. The water inlet holes are located on the water inlet, and at least two water outlet holes are spaced apart at the bottom of each water outlet along its length. Both the water inlet holes and the water outlet holes are located on the water flow channel. Each water outlet corresponds to a baffle wall, and the vertical projection of each water outlet hole on each water outlet is located within the corresponding baffle wall. This self-cleaning structure effectively flushes and cleans the solid waste collected in the cavity, and the vortex formed by the baffle walls prevents solid waste from accumulating, thus allowing the water flow to better flush away the solid waste.

[0032] Furthermore, the interior of the column is hollow, forming a sewage discharge channel. The upper end of the column is open and connected to the sewage discharge port on the aforementioned shell, while the lower end of the column has a sewage inlet communicating with the aforementioned cavity. In this way, the column can both divert the garbage entering through the dust inlet and form a sewage discharge channel, allowing the sewage in the cavity to be smoothly discharged through the sewage discharge port.

[0033] Furthermore, the lower end of the column extends along its length toward the side wall of the housing where the dust inlet is located and is connected to the side wall. There are two dust inlets, which are respectively opened on both sides of the lower end of the column, and the inner bottom surface of the sewage discharge channel extends smoothly from bottom to top to form a guide arc surface.

[0034] The technical solution adopted to further solve the fourth technical problem mentioned above is: a cleaning robot, characterized in that it includes a dust box for the cleaning robot as described above.

[0035] Compared with the prior art, the advantages of the present invention are as follows: The dust box of the present invention is provided with a vortex separation structure and a cyclone separation structure respectively. When the fan is working, the garbage entering the cavity through the dust inlet is separated into gaseous garbage and solid-liquid garbage by the vortex separation structure. Solid garbage and most of the liquid garbage remain in the lower part of the cavity, while gaseous garbage mixed with some liquid enters the cyclone separation structure under the suction of the fan. The cyclone device in the cyclone separation structure achieves secondary separation of gas and liquid, thereby enabling the gaseous garbage and liquid garbage to be fully separated, improving the recovery rate of wastewater in the dust box, and the wastewater collected in the cavity can be discharged through the drain outlet under the negative pressure suction. Attached Figure Description

[0036] Figure 1 This is a schematic diagram of the dust box structure in an embodiment of the present invention;

[0037] Figure 2 for Figure 1 A structural diagram from another direction;

[0038] Figure 3 for Figure 1 A structural diagram in another direction;

[0039] Figure 4 for Figure 1 A structural diagram in another direction;

[0040] Figure 5 for Figure 3 A cross-sectional view along the AA direction;

[0041] Figure 6 for Figure 3 A cross-sectional view along the BB direction;

[0042] Figure 7 for Figure 4 A sectional view along the CC direction;

[0043] Figure 8 This is a partial exploded view of the dust box structure in an embodiment of the present invention;

[0044] Figure 9 for Figure 8 Exploded view of the structure of part D;

[0045] Figure 10 for Figure 9 A structural diagram from another direction;

[0046] Figure 11 This is a schematic diagram of the partition structure in an embodiment of the present invention;

[0047] Figure 12 This is a schematic diagram of the structure of each separation pipe and water collection cover assembly in an embodiment of the present invention;

[0048] Figure 13 for Figure 12 A structural diagram from another direction;

[0049] Figure 14 This is a schematic diagram of the water outlet seat in an embodiment of the present invention;

[0050] Figure 15 This is a cross-sectional view of the box body in an embodiment of the present invention. Detailed Implementation

[0051] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0052] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Since the embodiments disclosed in this invention can be arranged in different directions, these terms indicating direction are only for illustration and should not be regarded as limitations. For example, "upper" and "lower" are not necessarily limited to directions opposite to or consistent with the direction of gravity. In addition, features defined with "first" and "second" may explicitly or implicitly include one or more of such features.

[0053] like Figures 1-15 The image shows a preferred embodiment of the dust box in this invention. This dust box is suitable for cleaning robots and is specifically used for collecting garbage during the operation of the cleaning robot.

[0054] Specifically, the dust box includes a housing 1, a fan 2, a vortex separation structure 3, and a cyclone separation structure 4. The housing 1 is box-shaped with a hollow interior forming a cavity 10, and has a dust inlet 101, a sewage outlet 102, and an air outlet 103. The fan 2 is located at the rear of the housing 1, and its air inlet is connected to the air outlet 103 of the housing 1. The vortex separation structure 3 is located at the lower part of the cavity 10, below the highest water level line (not shown), opposite the dust inlet 101, and is used to create a vortex in the cavity 10 for the waste entering through the dust inlet 101. The cyclone separation structure 4 is located at the upper part of the cavity 10, above the highest water level line, and includes a separation channel 410 with an air inlet 4101 at one end and an air outlet 4102 at the other end. The air inlet 4101 is in fluid communication with the air outlet of the vortex separation structure 3, while the air outlet 4102 is in fluid communication with the air outlet 103, and a cyclone device is provided in the middle of the separation channel 410.

[0055] As can be seen from the above, the present invention is provided with a vortex separation structure 3 and a cyclone separation structure 4. When the fan 2 is working, the garbage entering the cavity 10 through the dust inlet 101 is separated into gaseous garbage and solid-liquid garbage by the vortex separation structure 3. Solid garbage and most of the liquid garbage remain in the lower part of the cavity 10, while the gaseous garbage mixed with some liquid enters the cyclone separation structure 4 under the suction of the fan 2. The cyclone device in the cyclone separation structure 4 achieves secondary separation of gas and liquid, thereby enabling the complete separation of gaseous garbage and liquid garbage, improving the recovery rate of wastewater from the dust box, and the wastewater collected in the cavity 10 can be discharged through the drain outlet 102 under the negative pressure suction of the base station. In this embodiment, specifically, the above-mentioned housing 1 includes a box body 1a with an open upper part and a cover body 1b covering the opening of the box body 1a.

[0056] Furthermore, the aforementioned vortex separation structure 3 includes a baffle 31 vertically disposed on the inner bottom surface of the housing 1. The baffle 31 is arc-shaped and recessed towards the dust inlet 101. In this way, the waste entering through the dust inlet 101 can generate a vortex under the guidance of the baffle 31, realizing the separation of gaseous waste from solid and liquid waste in one step. Preferably, the aforementioned baffle 31 consists of two pieces, symmetrically disposed opposite to the dust inlet 101 (i.e., disposed on the rear side of the cavity 10) with the central axis of the dust inlet 101 as the center, and a gap is left between the two baffles 31. The outer edge of each baffle 31 is respectively attached to the corresponding inner surface of the housing 1 relative to the other baffle 31. The aforementioned cavity 10 contains a column 5 directly opposite the dust inlet 101. A gap exists between the column 5 and the dust inlet 101, and the column 5 completely obscures the dust inlet 101 when viewed from the direction of the column 5 towards the dust inlet 101. Waste entering through the dust inlet 101 is blocked by the column 5 and diverted to both sides, entering the corresponding baffles 31 along the inner surface of the shell 1, thus forming vortices. Under the suction of the fan 2, gaseous waste is separated from solid-liquid waste. Furthermore, these vortices have a certain self-cleaning effect on the inner surface of the shell 1.

[0057] Furthermore, the aforementioned dust inlet 101 and air outlet 103 are respectively located on the front and rear side walls of the housing 1. A separation pipe 41 is horizontally arranged in the cavity 10 along the distance between the dust inlet 101 and the air outlet 103. The inner cavity of the separation pipe 41 forms the aforementioned separation channel 410. The air inlet 4101 of the separation channel 410 is on the same side as the dust inlet 101, and the aforementioned vortex separation structure 3 is on the same side as the air outlet 103 (i.e., in this embodiment, the aforementioned dust inlet 101 and air outlet 103 are arranged along the front-rear direction of the housing 1, while the separation pipe 41 is arranged along the left-right direction of the housing 1). On the one hand, the separation channel 410 structure can be constructed better in the cavity 10; on the other hand, the airflow entering the cavity 10 can flow more smoothly and be discharged smoothly from the air outlet 103.

[0058] Specifically, in this embodiment, the cyclone device includes a cyclone element 42 disposed at the air inlet 4101 end of the separation pipe 41 along its length. The cyclone element 42 includes a shaft 421 extending along the straight line of the central axis of the air inlet 4101 and blades 422 connected to the shaft 421. There are at least two blades 422, evenly spaced circumferentially around the shaft 421, and each blade 422 extends spirally along the length of the shaft 421. This allows for sufficient gas-liquid separation when the airflow entering the separation channel 410 passes through the cyclone element 42. In this embodiment, the separation pipe 4 and the cyclone element 42 are integral.

[0059] Preferably, the cross-sectional area of ​​the separation tube 41 is uniform and constant at the location of the cyclone element 42, but increases gradually from the inlet 4101 to the outlet 4102 after the cyclone element 42. This allows the airflow to pass relatively smoothly through the cyclone element 42, ensuring the separation effect of the cyclone element 42. Furthermore, the increased cross-sectional area of ​​the separation channel 410 reduces the airflow velocity, allowing residual liquid in the airflow to drip off under its own gravity, further achieving gas-liquid separation. Simultaneously, in the longitudinal section of the separation tube 41, the upper side extends horizontally from the inlet 4101 to the outlet 4102, while the lower side extends downwards from the inlet 4101 to the outlet 4102. This allows the dripping liquid after gas-liquid separation to flow downwards along the inner bottom surface of the separation tube 41 and exit from the outlet 4102, preventing liquid residue in the separation tube 41.

[0060] More preferably, a baffle 45 is provided in the air outlet 4102 of the separation pipe 41. The baffle 45 is semi-circular and fits snugly to cover the upper end of the air outlet 4102, and the lower end of the baffle 45 is flush with the shaft 421 of the cyclone component 42. This prevents the negative pressure suction of the fan 2 from acting directly on the cyclone component 42, ensuring the separation effect of the cyclone component 42 on the airflow.

[0061] Furthermore, there are at least two separation pipes 41 arranged side by side at intervals along the left-right direction of the cavity 10 (in this embodiment, there are four separation pipes 41), and the air outlet 4102 end of each separation pipe 41 is connected to the water collection cover 43. The water collection cover 43 is square and arranged along the arrangement direction of each separation pipe 41, and covers the inner side of the housing 1 where the air outlet 103 is located. In addition, the bottom wall of the water collection cover 43 is lower than the air outlet 103 and the air outlet 4102 of each separation pipe 41. A water collection port 430 is opened on the bottom wall. The water collection port 430 is located in the middle of the bottom wall along the length direction, and the two sides of the inner bottom surface of the water collection cover 43 are inclined from top to bottom towards the water collection port 430. The design of multiple separation pipes 41 improves the separation efficiency of the airflow, while the water collection shroud 43 collects the water generated after separation in each separation pipe 41. The collected water drips uniformly into the lower part of the cavity 10 through the water collection port 430. In this embodiment, the angle between the inner bottom surface of the water collection shroud 43 on both sides of the water collection port 43 and the horizontal plane is greater than 7°, so that the water flowing out of each air outlet 4102 can be smoothly guided to the water collection port 430. In this embodiment, each separation pipe 41 and the aforementioned water collection shroud 43 are integrated into one piece.

[0062] Furthermore, a one-way valve 44 is installed on the aforementioned water collection port 430 to control its opening and closing. When the cleaning robot is working, the sum of the air pressure and water pressure above the water collection port 430 equals the air pressure below the water collection port 430, and the one-way valve 44 is closed. This improves the utilization rate of the fan 2's air power and prevents the gaseous waste after secondary separation from being guided back into the separation chamber 100 through the water collection port 430. When the cleaning robot is not working, the air pressure above the water collection port 430 equals the air pressure below the water collection port 430, and the water pressure at the water collection port 430 opens the one-way valve 44. In this way, the one-way valve 44 can control the opening and closing of the water collection port 430, and the wastewater collected in the water collection hood 43 after the cleaning robot stops working can be discharged into the container 10 through the water collection port 430, and then discharged out through the drain port 102. In this embodiment, specifically, the one-way valve 44 is a duckbill valve, and the duckbill valve is sleeved on the lower port of the one-way valve 44.

[0063] Furthermore, the aforementioned cavity 10 is also equipped with a vortex-blocking structure 6, which is located above the aforementioned vortex-separating structure 3 and below the aforementioned cyclone-separating structure 4, and is higher than the highest water level line of the cavity 10. This prevents the formation of ineffective vortices above the vortex-separating structure 3, which helps to avoid airflow loss and improve the wind power utilization rate of the fan 2. Specifically, the aforementioned vortex blocking structure 6 includes a partition 61 laterally spaced between the vortex separating structure 3 and the cyclone separating structure 4, and two first vortex blockers 62 disposed on the lower surface of the partition 61. Each first vortex blocker 62 corresponds to one of the aforementioned baffles 31. Each first vortex blocker 62 is located above the side of the corresponding baffle 31, and each first vortex blocker 62 includes three vertically extending arc-shaped plates 621. The radius of each arc-shaped plate 621 is smaller than that of the corresponding baffle 31, and one end of each arc-shaped plate 621 is connected axially. The arc-shaped plates 621 are evenly spaced in the same direction circumferentially. In this way, the first vortex blockers 62 can prevent the airflow from forming ineffective vortices above each baffle 31 from bottom to top, thus better avoiding airflow loss.

[0064] Furthermore, the aforementioned vortex-blocking structure 6 also includes a second vortex blocker 63. This second vortex blocker 63 is a sloping wall formed by the lower surface of the partition 61 extending upwards from the outlet 4102 of the separation pipe 41 to the inlet 4101, then smoothly bending downwards and extending again towards the outlet 4102. This second vortex blocker 63 prevents the formation of vortices when the airflow flows towards the inlet 4101, further minimizing airflow loss and improving wind power utilization. In this embodiment, the aforementioned vortex-blocking structure 6 and the aforementioned baffle plate 71 are integrated, and the cavity 10 portion below the partition 61 constitutes the separation cavity 100.

[0065] Furthermore, in this embodiment, a baffle plate 71 extending in the left-right direction of the cavity 10 is vertically arranged below the air inlet 4101 end of each of the above-mentioned separation pipes 41. The baffle plate 71 is provided with grid holes. In this way, when the airflow passes through the baffle plate 71, some of the liquid in the airflow will separate after colliding with the baffle plate 71 and flow down along the baffle plate 71. Furthermore, the baffle plate 71 is arranged on the partition plate 61 and adjacent to the inclined wall. The upper end of the inclined wall extends upward along its own length direction and connects with the upper end of the baffle plate 71. The side of the inclined wall opposite to the baffle plate 71 forms a first guide surface 630. In this way, the airflow can be better guided to the baffle plate 71 by the first guide surface 630. Furthermore, each of the aforementioned separation pipes 41 has a guide plate 72 disposed below its air inlet 4101. Each guide plate 72 is parallel to the aforementioned inclined wall, and the lower end of each guide plate 72 abuts against the lower end of the aforementioned baffle plate 71 along its length. The surfaces of each guide plate 72 and the baffle plate 71 that face each other constitute a second guide surface 720. The airflow passing through the baffle plate 71 is guided by the second guide surface 720 to flow more effectively towards the air inlet 4101.

[0066] Furthermore, the dust box in this invention also includes a self-cleaning structure 8, which includes a water inlet 104 opened on the top wall of the housing 1 and a water outlet seat 81 with a water inlet hole 811 and disposed on the vortex separation structure 3. The water outlet seat 81 is in the cavity 10 along the left and right direction, and the interior of the water outlet seat 81 is hollow to form a water flow channel 810. Furthermore, the water outlet base 81 includes a central water inlet 81a and water outlets 81b on either side of the water inlet 81a along its length. The water inlet 811 is located on the water inlet 81a, and at least two water outlets 812 are spaced apart at the bottom of the water outlets 81b along their length. Both the water inlet 811 and each water outlet 812 are located on the water flow channel 810. Each water outlet 81b corresponds to a baffle 31, and the vertical projection of each water outlet 812 on each water outlet 81b is located within the corresponding baffle 31. This self-cleaning structure 8 effectively flushes and cleans the solid waste collected in the separation chamber 100, and the vortex formed by the baffles 31 prevents solid waste from accumulating, thus allowing the water flow to better flush away the solid waste. In this embodiment, the water inlet 104 is connected to the water inlet 811 via a water inlet pipe 82.

[0067] Furthermore, in this embodiment, the interior of the aforementioned column 5 is hollow to form a sewage discharge channel 50, and the upper end of the column 5 is open and connected to the sewage discharge port 102 on the aforementioned shell 1, while the lower end of the column 5 has a sewage inlet 501 that communicates with the aforementioned cavity 10. In this way, the column 5 can divert the garbage entering through the dust inlet 101 and form a sewage discharge channel 50 so that the sewage in the cavity 10 can be smoothly discharged through the sewage discharge port 102. Further, the lower end of the aforementioned column 5 extends along its length toward and connects to the side wall of the shell 1 where the dust inlet 101 is located. There are two sewage inlets 501, which are respectively opened on both sides of the lower end of the column 5, and the inner bottom surface of the sewage discharge channel 50 extends smoothly from bottom to top to form a guide arc surface 51.

[0068] The term "fluid connectivity" as used in this invention refers to the spatial relationship between two components or parts (hereinafter referred to as the first part and the second part, respectively), that is, a fluid (gas, liquid, or a mixture of both) can flow from the first part along a flow path and / or be transported to the second part. This can be a direct connection between the first part and the second part, or an indirect connection between the first part and the second part through at least one third party. This third party can be a fluid channel such as a pipe, channel, conduit, guide, hole, or groove, or a chamber that allows fluid to flow through, or a combination of the above.

Claims

1. A dustbin for a cleaning robot, characterized in that, include: The shell (1) is square box-shaped, with a hollow interior forming a cavity (10), and is provided with a dust inlet (101), a sewage outlet (102) and an air outlet (103). A fan (2) is installed on one side of the housing (1), and its air inlet is connected to the air outlet (103) of the housing (1); The vortex separation structure (3) is set in the lower part of the above-mentioned cavity (10) and located below the highest water level line of the cavity (10), opposite to the above-mentioned dust inlet (101), and is used to cause the garbage entering through the dust inlet (101) to generate a vortex in the cavity (10); The cyclone separation structure (4) is set on the upper part of the above-mentioned cavity (10) and located above the highest water level line of the cavity (10). It includes a separation channel (410) with an air inlet (4101) at one end and an air outlet (4102) at the other end. The air inlet (4101) is in fluid communication with the air outlet of the above-mentioned vortex separation structure (3), and the air outlet (4102) is in fluid communication with the air outlet (103). A cyclone device is provided in the middle of the separation channel (410).

2. The dustbin for a cleaning robot as described in claim 1, characterized in that, The eddy current separation structure (3) includes a baffle (31) vertically disposed on the inner bottom surface of the housing (1), the baffle (31) being arc-shaped and recessed toward the dust inlet (101).

3. The dustbin for a cleaning robot as described in claim 2, characterized in that, The baffle (31) consists of two pieces, symmetrically arranged opposite the dust inlet (101) with the central axis of the dust inlet (101) as the center. A gap is left between the two baffles (31), and the outer edge of each baffle (31) relative to the other baffle (31) is respectively attached to the corresponding inner surface of the housing (1). The cavity (10) is provided with a column (5) that is directly opposite the dust inlet (101). There is a gap between the column (5) and the dust inlet (101). Along the direction of the column (5) and the dust inlet (101), when viewed from the column (5) toward the dust inlet (101), the column (5) can completely cover the dust inlet (101).

4. The dustbin for a cleaning robot as described in claim 3, characterized in that, The dust inlet (101) and air outlet (103) are respectively opened on the front and rear side walls of the housing (1), and a separation pipe (41) is horizontally arranged in the cavity (10) along the distance between the dust inlet (101) and the air outlet (103). The inner cavity of the separation pipe (41) forms the separation channel (410), and the air inlet (4101) of the separation channel (410) is on the same side as the dust inlet (101), and the vortex separation structure (3) is on the same side as the air outlet (103).

5. The dustbin for a cleaning robot as described in claim 4, characterized in that, The cyclone device includes a cyclone component (42) disposed at the end of the air inlet (4101) along the length direction of the separation pipe (41). The cyclone component (42) includes a shaft (421) extending along the straight line direction of the central axis of the air inlet (4101) and blades (422) connected to the shaft (421). There are at least two blades (422) and they are evenly spaced circumferentially with the shaft (421) as the center. Each blade (422) extends spirally along the length direction of the shaft (421).

6. The dustbin for a cleaning robot as described in claim 5, characterized in that, The area of ​​the cross section of the separation tube (41) is uniform and constant at the location of the cyclone element (42), but increases from the air inlet (4101) to the air outlet (4102) after the cyclone element (42).

7. The dustbin for a cleaning robot as described in claim 6, characterized in that, In the longitudinal section of the separation tube (41), the upper side of the longitudinal section extends horizontally from the air inlet (4101) to the air outlet (4102), while the lower side extends downward from the air inlet (4101) to the air outlet (4102).

8. The dustbin for a cleaning robot as described in claim 5, characterized in that, A baffle (45) is provided in the air outlet (4102) of the separation pipe (41). The baffle (45) is semi-circular and fits snugly to cover the upper end of the air outlet (4102), and the lower end of the baffle (45) is flush with the shaft (421) of the cyclone component (42).

9. The dustbin for a cleaning robot as described in claim 7, characterized in that, The separation pipes (41) are at least two in number and are arranged side by side at intervals along the left-right direction of the cavity (10). The air outlet (4102) end of each separation pipe (41) is connected to the water collection cover (43). The water collection cover (43) is square and arranged along the arrangement direction of each separation pipe (41), and is attached to the inner side of the housing (1) where the air outlet (103) is located. Furthermore, the bottom wall of the aforementioned water collection cover (43) is lower than the aforementioned air outlet (103) and the air outlet (4102) of each separation pipe (41). A water collection port (430) is provided on the bottom wall. The water collection port (430) is located in the middle of the aforementioned bottom wall along the length direction, and the two sides of the inner bottom surface of the water collection cover (43) are inclined from top to bottom toward the water collection port (430).

10. The dustbin for a cleaning robot as described in claim 9, characterized in that, The water collection port (430) is equipped with a one-way valve (44) for controlling the opening and closing of the water collection port (430). When the cleaning robot is working, the sum of the air pressure and water pressure above the water collection port (430) is equal to the air pressure below the water collection port (430), and the one-way valve (44) is closed. When the cleaning robot is not working, the air pressure above the water collection port (430) is equal to the air pressure below the water collection port (430), and the water pressure at the water collection port (430) opens the one-way valve (44).

11. The dustbin for a cleaning robot as described in claim 4, characterized in that, The cavity (10) is also provided with a vortex blocking structure (6), which is located above the vortex separation structure (3) and below the cyclone separation structure (4), and is higher than the highest water level line of the cavity (10).

12. The dustbin for a cleaning robot as described in claim 11, characterized in that, The vortex blocking structure (6) includes a partition (61) laterally spaced between the vortex separating structure (3) and the cyclone separating structure (4) and a first vortex blocker (62) disposed on the lower surface of the partition (61). There are two first eddy current blockers (62) and they correspond one-to-one with the above-mentioned baffle (31). Each first eddy current blocker (62) is located on the upper side of the corresponding baffle (31). Each first eddy current blocker (62) includes three vertically extending arc-shaped plates (621). The radius of each arc-shaped plate (621) is smaller than that of the corresponding baffle (31). One end of each arc-shaped plate (621) is connected along the axial direction. Each arc-shaped plate (621) is evenly distributed in the same direction along the circumference.

13. The dustbin for a cleaning robot as described in claim 12, characterized in that, The eddy current blocking structure (6) further includes a second eddy current blocker (63), which is a sloping wall on the lower surface of the partition (61) that extends upward from the air outlet (4102) of the separation pipe (41) to the air inlet (4101), then bends downward and extends downward towards the air outlet (4102).

14. The dustbin for a cleaning robot as described in claim 13, characterized in that, Each of the separation pipes (41) has a baffle plate (71) extending in the left and right direction of the cavity (10) below the air inlet (4101) end, and the baffle plate (71) is provided with grid holes.

15. The dustbin for a cleaning robot as described in claim 14, characterized in that, The baffle plate (71) is disposed on the partition plate (61) and adjacent to the inclined wall. The upper end of the inclined wall extends upward along its own length direction and is connected to the upper end of the baffle plate (71). The side of the inclined wall opposite to the baffle plate (71) forms a first guide surface (630).

16. The dustbin for a cleaning robot as described in claim 15, characterized in that, Each of the separation pipes (41) has a guide plate (72) below its air inlet (4101). Each guide plate (72) is parallel to the inclined wall. The lower end of each guide plate (72) abuts against the lower end of the baffle plate (71) along its length. The surfaces of each guide plate (72) and the baffle plate (71) that are opposite each other constitute a second guide surface (720).

17. The dustbin for a cleaning robot as described in claim 4, characterized in that, It also includes a self-cleaning structure (8), which includes a water inlet (104) opened on the top wall of the housing (1) and a water outlet seat (81) having a water inlet hole (811) and disposed on the vortex separation structure (3). The water outlet seat (81) is located in the cavity (10) in the left-right direction, and the interior of the water outlet seat (81) is hollow to form a water flow channel (810). Furthermore, the water outlet seat (81) includes a water inlet (81a) located in the center and water outlets (81b) located on both sides of the water inlet (81a) along the length direction. The water inlet (811) is opened on the water inlet (81a), and at least two water outlets (812) are spaced apart at the bottom of the water outlet (81b) along the length direction. The water inlet (811) and each water outlet (812) are located on the water flow channel (810). Each water outlet (81b) corresponds to the baffle (31), and the vertical projection of each water outlet (812) on each water outlet (81b) is located in the corresponding baffle (31).

18. The dustbin for a cleaning robot as described in any one of claims 1 to 17, characterized in that, The column (5) is hollow inside to form a sewage channel (50), and the upper end of the column (5) is open and connected to the sewage outlet (102) on the shell (1), while the lower end of the column (5) is provided with a sewage inlet (501) that communicates with the cavity (10).

19. The dustbin for a cleaning robot as described in claim 18, characterized in that, The lower end of the column (5) extends along the length direction toward the side wall of the housing (1) where the dust inlet (101) is located and is connected to the side wall. There are two sewage inlets (501) and they are respectively opened on both sides of the lower end of the column (5). The inner bottom surface of the sewage discharge channel (50) extends smoothly from bottom to top to form a guide arc surface (51).

20. A cleaning robot, characterized in that, Includes the dust box for a cleaning robot as described in any one of claims 1 to 19.

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