CN211633144U - Dust collection station for robot vacuums - Google Patents

Abstract

The present disclosure provides a dust collection station for a sweeping robot, the dust collection station can clean the garbage in the dust box of the sweeping robot, and the dust collection station includes a dust collection station main body and a dust collection box that can be separated from the dust collection station main body The dust collecting box comprises a first dust collecting chamber, a second dust collecting chamber, an isolation assembly for isolating the first dust collecting chamber and the second dust collecting chamber, and a diversion channel connecting the first dust collecting chamber and the second dust collecting chamber; The dust collecting box also includes a first-stage dust-gas separator arranged in the first dust-collecting chamber and a secondary dust-gas separator arranged in the second dust-collecting chamber; the airflow entering the dust-collecting box passes through the first dust-collecting chamber in sequence The dust and gas are separated by the first-stage dust-gas separator and the second-stage dust-gas separator in turn. The dust collecting box of the present disclosure has the technical means of separating the dust and gas twice, effectively separating the dust in the air flow, and ensuring the dust and gas separation effect of the dust collecting box.

Description

Dust collection station for robot vacuums

technical field

The present disclosure belongs to the technical field of garbage cleaning equipment, and specifically provides a dust collection station for a sweeping robot.

Background technique

Sweeping robots, also known as automatic cleaners, smart vacuum cleaners, robot vacuum cleaners, etc., are a kind of smart household appliances, which can automatically complete the cleaning of the floor in the room with certain artificial intelligence. The current sweeping robot generally adopts brushing and vacuuming methods to absorb the garbage on the ground into its own dust box, so as to complete the cleaning of the ground.

Existing cleaning robots usually include a housing, a drive wheel and a guide wheel arranged at the bottom of the housing, a bracket fixedly arranged in the housing, a roller brush assembly fixedly connected to the bracket, and the roller brush assembly through a flexible pipeline. A dust box in communication and a vacuum pump that forces air from the roller brush assembly to the dust box. When working, the walking wheel supports the sweeping robot to walk on the ground, the roller brush assembly picks up the garbage on the ground through the roller brush that rotates in it, and the airflow generated by the vacuum pump transports the picked up garbage into the dust box, so that the ground can be completed by reciprocating. cleaning work.

Due to the limited space of the dust box carried by the sweeping robot itself, after the sweeping robot cleans the ground once or twice, the user needs to remove the dust box from the sweeper, and then install it on the sweeping robot after emptying it. In order to improve the user experience, some manufacturers have set up a vacuum system on the charging station that charges the sweeping robot. Through the vacuum system, the garbage in the dust box on the sweeping robot can be pulled out, freeing the user's hands.

A charging station with a dust collection system is also called a dust collection station. The dust collection station usually includes a main body with a fan and a dust collection box detachably connected to the main body. Among them, the dust collecting box is provided with a filter screen for filtering garbage, but the filter screen can only filter out larger garbage, and cannot effectively filter dust with a small volume; as a result, part of the dust will enter the fan along with the airflow. , and attached to the parts of the fan, which will affect the working efficiency of the fan in the long run.

Utility model content

In order to solve the above problems in the prior art, that is, in order to solve the problem that the dust-gas separation effect of the dust-collecting box of the existing dust-collecting station is poor, the present disclosure provides a dust-collecting station for a sweeping robot, the dust-collecting station Able to clean up the garbage in the dust box of the sweeping robot, the aforesaid dust collecting station includes a dust collecting station main body and a dust collecting box which can be separated from the aforesaid dust collecting station main body; the aforesaid dust collecting box includes a first dust collecting chamber and a second dust collecting chamber , an isolation assembly for isolating the first dust collecting chamber and the second dust collecting chamber, and a diversion channel connecting the first dust collecting chamber and the second dust collecting chamber; the dust collecting box further comprises a A primary dust separator in the dust chamber and a secondary dust separator arranged in the aforementioned second dust chamber; the dust collecting station main body includes a fan, and the fan can drive airflow into the dust collecting box , and thus make the airflow entering the aforementioned dust collecting box pass through the aforementioned first dust collecting chamber and the aforementioned second dust collecting chamber in turn, so as to be sequentially separated from dust and gas by the aforementioned first-stage dust-gas separator and aforementioned second-stage dust-gas separator. .

Optionally, the first dust collecting chamber and the second dust collecting chamber are distributed in the dust collecting box side by side along the horizontal direction; top or above.

Optionally, the bottom of the first dust collection chamber is provided with a first port, and the bottom of the second dust collection chamber is provided with a second port; the dust collection box includes a pivotally arranged lower cover, and the lower cover can close the foregoing The first port and the aforementioned second port.

Optionally, the first-stage dust-gas separator is a filter screen arranged on the top of the first dust-collecting chamber; and/or the second-stage dust-gas separator is a cyclone arranged on the top of the second dust-collecting chamber Splitter.

Optionally, the dust collecting box further includes an air outlet cavity, the air outlet cavity has an inlet end and an outlet end, the inlet end communicates with the air outlet of the cyclone separator, and the outlet end is connected to the main body of the dust collecting station.

Optionally, the cross section of the air outlet cavity increases sequentially from the inlet end to the outlet end.

Optionally, the air outlet cavity is arranged in parallel with the first dust collection cavity and the second dust collection cavity in the horizontal direction, and the second dust collection cavity is located in the first dust collection cavity and the air outlet in the horizontal direction. between the cavities.

Optionally, an annular stop surface is formed at the lower end of the air outlet cavity in the dust collecting box, an exhaust pipe is provided on the main body of the dust collecting station, and the dust collecting box and the main body of the dust collecting station are assembled together. In the state of , one end of the exhaust duct is in contact with the stop surface.

Optionally, the dust collecting box further includes an air inlet channel, the inlet end of the air inlet channel is butted with the main body of the dust collecting station, and the outlet end of the air inlet channel leads to the top of the first dust collection chamber and is located in the filter. below the net.

Optionally, the aforementioned dust collecting box further includes an air inlet duct, the aforementioned air inlet passage is formed in the aforementioned air inlet duct, and the aforementioned air inlet duct is arranged so that the direction of the air blowing out from the outlet end of the aforementioned air inlet passage is parallel to the aforementioned filter screen. .

Based on the foregoing description, those skilled in the art can understand that, in the foregoing technical solutions of the present disclosure, the first dust collecting chamber and the second dust collecting chamber communicated with each other are provided in the dust collecting box, and A first-stage dust-gas separator is set in the dust-collecting chamber, and a second-stage dust-gas separator is set in the second dust-collecting chamber, so that the airflow entering the dust-collecting box will pass through the first dust-collecting chamber and the second dust-collecting chamber in sequence, Therefore, the dust and gas are separated by the first-level dust-gas separator and the second-level dust-gas separator in turn. Therefore, the present disclosure can effectively separate the dust in the airflow through the technical means of separating the dust and gas twice by the first-level dust-gas separator and the second-level dust-gas separator, and ensure the dust-gas separation of the dust collecting box. Effect.

As mentioned above, in a feasible technical solution of the present disclosure, the primary dust and gas separator is a filter screen, and the secondary dust gas separator is a cyclone separator, so that the dust box can filter out the larger volume through the filter screen. All or most of the remaining dust can be separated from the airflow through the cyclone separator, effectively ensuring the dust-gas separation effect of the dust box. Among them, the cyclone separator is a dry gas-solid separation equipment that uses the centrifugal force generated by the high-speed rotation of the gas-solid mixture to separate the dust from the airflow. Since the centrifugal force on the particles is much greater than gravity and inertial forces, the separation efficiency is high.

Further, by distributing the first dust collecting chamber and the second dust collecting chamber side by side in the dust collecting box along the horizontal direction, the guide channel is arranged on the top or above the first dust collecting chamber and the second dust collecting chamber, and The filter screen is arranged on the top of the first dust collection chamber, so that the part of the garbage (including dust) entering the first dust collection chamber can directly fall to the bottom of the first dust collection chamber under the action of its own gravity, reducing the It reduces the pollution to the filter, thus reducing the number of times the user needs to clean the filter.

Further, by arranging an air inlet channel in the dust collecting box, and making the outlet end of the air inlet channel lead to the top of the first dust collecting chamber and located below the filter screen, and making the air flow out of the outlet end of the air inlet channel, The direction is parallel to the filter screen, which avoids the situation that when the air carrying garbage blows directly on the filter screen, the filter screen will be blocked and the filtering effect will be affected.

Description of drawings

Preferred embodiments of the present disclosure are described below with reference to the accompanying drawings, in which:

1 is a schematic diagram of the axial side effect of the dust collecting station of the present disclosure;

Fig. 2 is a schematic exploded view of the shaft side structure of the dust collecting station of the present disclosure;

3 is a schematic diagram of the first axis side effect of the main body of the dust collecting station of the present disclosure;

4 is a schematic diagram of the effect of the second axis side of the main body of the dust collecting station of the present disclosure;

5 is a schematic diagram of the first axis side effect of the dust collecting box of the dust collecting station of the present disclosure (with a lower cover);

FIG. 6 is a schematic diagram of the effect of the second axis side of the dust collecting box of the dust collecting station of the present disclosure (without the lower cover);

FIG. 7 is a schematic diagram of the flow effect of airflow in the dust collecting box of the present disclosure.

List of reference numbers:

1. Main body of dust collecting station; 11. Dust suction port; 12. Dust outlet; 13. Air outlet; 14. Air exhaust pipe;

2. Dust collecting box; 21. First dust collecting chamber; 22, Second dust collecting chamber; 23, Isolation assembly; 24, Diversion channel; ; 27, the lower cover; 28, the air outlet; 282, the stop surface; 29, the air inlet channel.

Detailed ways

It should be understood by those skilled in the art that the embodiments described below are only preferred embodiments of the present disclosure, and the preferred embodiments are intended to explain the technical principles of the present disclosure, but do not represent that the technical solutions to be protected by the present disclosure are only It can be realized by this preferred embodiment, so this preferred embodiment cannot be used to limit the protection scope of the present disclosure. Based on the preferred embodiments provided by the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative efforts should still fall within the protection scope of the present disclosure.

It should be noted that, in the description of the present disclosure, the terms "center", "upper", "lower", "top", "bottom", "left", "right", "vertical", "horizontal", " Terms indicating a direction or a positional relationship such as "inside" and "outer" are based on the direction or positional relationship shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, in order to The specific orientation configuration and operation are therefore not to be construed as limitations of the present disclosure. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In addition, it should also be noted that, in the description of the present disclosure, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a It is a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication between two components. For those skilled in the art, the specific meanings of the above terms in the present disclosure can be understood according to specific situations.

As shown in FIGS. 1 and 2 , in a preferred embodiment of the present disclosure, the dust collection station includes a dust collection station main body 1 and a dust collection box 2 that can be detachably installed together. In the installed state, the dust collecting station main body 1 can transfer the garbage in the dust box of the cleaning robot to the dust collecting box 2 .

As shown in FIG. 3 and FIG. 4 , the main body 1 of the dust collecting station is provided with a dust suction port 11 , a dust outlet port 12 , an air outlet port 13 , an air exhaust pipe 14 and a fan. Among them, the dust suction port 11 is formed on the front side of the dust collecting station main body 1, and can be connected with the dust outlet (not shown in the figure) formed on the cleaning robot. The dust outlet 12 is formed on the top of the dust collecting station main body 1 and can be connected with the air inlet (not shown in the figure) formed at the bottom of the dust collecting box 2 . In addition, the dust suction port 11 and the dust outlet port 12 are communicated together through a channel (not shown in the figure) formed in the dust collecting station main body 1 . Further, the fan is disposed inside the main body 1 of the dust collecting station along the vertical direction, and is located below the exhaust pipe 14 , and the air inlet end of the fan communicates with the exhaust pipe 14 . The air outlet 13 is formed on the left side of the dust collecting station main body 1 in FIG. 3 , and communicates with the air outlet end of the fan through a channel (not shown in the figure) formed in the dust collecting station main body 1 .

As shown in FIG. 5 to FIG. 7 , the dust collecting box 2 includes a first dust collecting chamber 21 , a second dust collecting chamber 22 , an isolation assembly 23 , a diversion channel 24 , a primary dust and gas separator 25 , and a secondary dust and gas separation 26 , the lower cover 27 , the air outlet cavity 28 and the air inlet channel 29 .

As shown in FIGS. 6 and 7 , the first dust collecting chamber 21 , the second dust collecting chamber 22 and the air outlet chamber 28 are distributed side by side in the dust collecting box 2 along the horizontal direction (the left and right direction of the dust collecting box 2 ), and The second dust collecting chamber 22 is located between the first dust collecting chamber 21 and the air outlet chamber 28 in the horizontal direction. It is not difficult to see from FIG. 6 that the first dust collecting chamber 21 , the second dust collecting chamber 22 and the air outlet chamber 28 are isolated by the isolation assembly 23 . Wherein, the isolation component 23 is a rib plate disposed or formed in the dust collecting box 2 . Further, the top of the first dust-collecting chamber 21 and the top of the second dust-collecting chamber 22 communicate with each other through the guide channel 24 .

Continuing to refer to FIG. 6 and FIG. 7 , the first-stage dust-gas separator 25 is arranged in the first dust-collecting chamber 21 . Specifically, the first-stage dust-gas separator 25 is a filter screen fixedly arranged in the first dust-collecting chamber 21 . , and further, the filter screen is located on the top of the first dust collecting chamber 21 and below the guide channel 24, so that the lower part of the first dust collecting chamber 21 has enough space to accommodate garbage. In other words, the filter screen divides the first dust collecting chamber 21 into upper and lower parts. More specifically, the first-stage dust and gas separator 25 is a metal filter screen, so as to increase the service life of the filter screen and facilitate user cleaning.

In addition, those skilled in the art can also set the first-stage dust and gas separator 25 as a filter device of any other form, such as filter cotton, as required.

As shown in FIG. 7 , the secondary dust and gas separator 26 is arranged in the second dust collection chamber 22 , and specifically, the secondary dust and gas separator 26 is a cyclone separator fixedly arranged in the second dust collection chamber 22 . The cyclone separator includes a dust gas inlet (not marked in the figure), an air outlet (not marked in the figure) and a dust outlet (not marked in the figure). The dust inlet of the cyclone separator is communicated with the first dust collection chamber 21 through the diversion channel 24, the dust outlet of the cyclone separator is communicated with the second dust collection chamber 22, and the air outlet of the cyclone separator is communicated with the air outlet chamber 28. connected to the inlet.

Among them, the cyclone separator is a dry gas-solid separation equipment that uses the centrifugal force generated by the high-speed rotation of the gas-solid mixture to separate the dust from the airflow. Since the centrifugal force on the particles is much greater than gravity and inertial forces, the separation efficiency is high. Therefore, the cyclone separator can separate the dust entering from the guide channel 24 into the dust entering the second dust collecting chamber 22 from the dust outlet and the air entering the air outlet chamber 23 from the air outlet.

In addition, the dust inlet of the cyclone is communicated with the first dust collection chamber 21 through the diversion channel 24, the dust outlet of the cyclone is communicated with the second dust collection chamber 22, and the air outlet of the cyclone is communicated with the air outlet chamber On the premise that the inlet end of 28 is connected, those skilled in the art can also set the cyclone separator in any other feasible position as required, for example, set it in the air outlet cavity 23, set it in the first dust collection cavity 21 or set it Outside the first dust collecting chamber 21 , the second dust collecting chamber 22 and the air outlet chamber 23 .

Further, those skilled in the art can also set the secondary dust and gas separator 26 as a filter device of any other form, such as filter cotton, as required.

As shown in FIG. 6 , the bottom end of the first dust collecting chamber 21 is provided with a first port, so that the user can dump the garbage in the first dust collecting chamber 21 through the first port. The bottom end of the second dust collecting chamber 22 is provided with a second port, so that the user can pour out the dust in the second dust collecting chamber 22 through the second port. The air outlet cavity 28 includes an inlet end that communicates with the air outlet of the cyclone separator and an outlet end that is connected with the exhaust pipe 14 , and the lower end (air outlet end) of the air outlet cavity 28 is formed with a contact with the exhaust pipe 14 . the contact stop surface 282. Further, although it is not clearly shown in the figure, the cross section of the air outlet cavity 23 increases sequentially from the inlet end to the outlet end, so that the diameter of the inlet end can be matched with the air outlet of the cyclone separator, and the outlet end of the air outlet It can be matched with the inner diameter of the exhaust duct 14 .

As shown in FIGS. 2 and 5 , the lower cover 27 is provided at the bottom of the dust box 2 . Specifically, the lower cover 27 is pivotally mounted on the body of the dust collecting box 2, and the lower cover 27 can close the first port of the first dust collecting chamber 21 and the second port of the second dust collecting chamber 22 to The garbage and dust in the first dust collecting chamber 21 and the second dust collecting chamber 22 are prevented from leaking out when the dust collecting station is working.

As shown in FIG. 5 to FIG. 7 , the inlet end (not marked in the figure) of the air inlet channel 29 can be connected to the dust outlet 12 on the main body 1 of the dust collecting station, and the outlet end of the air inlet channel 29 is located in the first dust collecting chamber 21 and below the primary dust separator 25 (filter). Preferably, the outlet end of the air inlet channel 29 is adjacent to the primary dust separator 25 . Further, the opening direction of the outlet end of the air inlet channel 29 is parallel to the filter screen, so that the direction of the airflow blown out from the outlet end of the air inlet channel 29 is parallel to the filter screen, so that some garbage and dust can fall to the first place under the action of their own gravity. The bottom of a dust collecting chamber 21 also prevents garbage from adhering to the filter screen when the airflow is blowing directly on the filter screen, which affects the filtering effect of the filter screen. Compared with the direction of the airflow blown out from the outlet end of the air inlet channel 29 being inclined downward or facing downward, the direction of the air stream blown out from the outlet end of the air inlet channel 29 is parallel to the filter screen, which can also prevent the airflow from causing the first collection of air to flow. The garbage at the bottom of the dust chamber 21 is stirred up.

Those skilled in the art can understand that the air inlet channel 29 can either be directly formed on the dust collecting box 2 by means of injection molding, or can be first formed on a pipe (referred to as air inlet pipe here), and then Then install the air inlet pipe into the dust collecting box 2 .

As shown in FIG. 2 to FIG. 4 , in the preferred embodiment of the present disclosure, when the dust collecting station is working, the fan drives the air to enter the main body 1 of the dust collecting station from the dust suction port 11 , and then enter the air inlet from the dust outlet 12 . in channel 29. Afterwards, the air in the dust collecting box 2 enters into the exhaust duct 14 from the air outlet cavity 28, then passes through the exhaust duct 14, the fan and the air outlet 13 in sequence, and is finally discharged out of the dust collecting station.

The dust and gas separation process of the dust box 2 will be described in detail below with reference to FIG. 7 .

As shown in FIG. 7 , the airflow carrying garbage (as shown by the triangle in FIG. 7 ) and dust (as shown by the small circle in FIG. 7 ) first enters the air inlet passage 29 , and then flows out from the outlet end of the air inlet passage 29 . At this time, part of the garbage and dust will fall to the bottom of the first dust collection chamber 21 under the action of its own gravity, and another part of the garbage and part of the dust will be removed by the first-stage dust-gas separator 25 (filter screen). Filter out, so as to achieve first-level dust and gas separation. Subsequently, the airflow carrying a small amount of dust enters the secondary dust-gas separator 26 (cyclone separator) from the guide channel 24 . Under the action of the cyclone separator, the secondary dust and gas are separated, and the separated dust enters the second dust collecting chamber 22 , and the separated air enters the air outlet chamber 28 . Finally, clean air enters into the exhaust duct 14 from the air outlet cavity 28 .

In another feasible embodiment of the present disclosure, different from the aforementioned preferred embodiment, the air outlet cavity 28 can be omitted, so that the air outlet of the secondary dust and gas separator 26 (cyclone separator) is directly connected to the air exhaust pipe 14 docking.

Based on the foregoing description, those skilled in the art can understand that the dust collecting box 2 of the present disclosure can perform secondary separation of dust and gas through the primary dust and gas separator 25 and the secondary dust and gas separator 26, thereby effectively effectively The dust in the air flow is separated to ensure the dust-gas separation effect of the dust collecting box 2 .

So far, the technical solutions of the present disclosure have been described in conjunction with the foregoing embodiments, but those skilled in the art will readily understand that the protection scope of the present disclosure is not limited to these specific embodiments. Without departing from the technical principles of the present disclosure, those skilled in the art can split and combine the technical solutions in the above-mentioned embodiments, and can also make equivalent changes or substitutions to the relevant technical features. Any modification, equivalent replacement, improvement, etc. made within the concept and/or technical principle will fall within the protection scope of the present disclosure.

Claims (10)

1. A dust collecting station for a sweeping robot, the dust collecting station can clean the garbage in the dust box of the sweeping robot, wherein the dust collecting station comprises a dust collecting station main body and a dust collecting station which can be combined with the dust collecting station. Dust box separated from the main body of the station; The dust collecting box includes a first dust collecting chamber, a second dust collecting chamber, an isolation component for isolating the first dust collecting chamber and the second dust collecting chamber, and connecting the first dust collecting chamber and the second dust collecting chamber. The diversion channel of the two dust collection chambers; The dust collecting box further comprises a first-stage dust-gas separator arranged in the first dust-collecting chamber and a second-stage dust-gas separator arranged in the second dust-collecting chamber; The main body of the dust collecting station includes a fan, which can drive the air flow into the dust collecting box, and thus make the air flow entering the dust collecting box pass through the first dust collecting chamber and the second collecting chamber in sequence. The dust chamber is thus separated from the dust and gas by the first-stage dust-gas separator and the second-stage dust-gas separator in sequence. 2 . The dust collecting station according to claim 1 , wherein the first dust collecting chamber and the second dust collecting chamber are distributed in the dust collecting box side by side along a horizontal direction; 3 . The diversion channel is arranged on the top or above of the first dust collecting chamber and the second dust collecting chamber. 3. The dust collecting station according to claim 2, wherein the bottom of the first dust collecting chamber is provided with a first port, and the bottom of the second dust collecting chamber is provided with a second port; The dust box includes a pivotally disposed lower cover capable of enclosing the first port and the second port. 4. The dust collecting station according to claim 2, wherein the first-stage dust gas separator is a filter screen arranged on the top of the first dust collecting chamber; and/or, The secondary dust and gas separator is a cyclone separator arranged on the top of the second dust collection chamber. 5 . The dust collecting station according to claim 4 , wherein the dust collecting box further comprises an air outlet chamber, the air outlet chamber has an inlet end and an outlet end, and the inlet end is connected to the cyclone separator. 6 . The air outlet is connected, and the outlet end is butted with the main body of the dust collecting station. 6 . The dust collecting station according to claim 5 , wherein the cross section of the air outlet cavity increases sequentially from the inlet end to the outlet end. 7 . 7 . The dust collecting station according to claim 5 , wherein the air outlet chamber is arranged in parallel with the first dust collecting chamber and the second dust collecting chamber in a horizontal direction, and the second dust collecting chamber is arranged in parallel with the second dust collecting chamber. The dust collecting chamber is located between the first dust collecting chamber and the air outlet chamber along the horizontal direction. 8 . The dust collecting station according to claim 7 , wherein an annular stop surface is formed at the lower end of the air outlet cavity in the dust collecting box, The main body of the dust collecting station is provided with an exhaust pipe, In a state where the dust collecting box and the main body of the dust collecting station are assembled together, one end of the exhaust duct is in contact with the stop surface. 9 . The dust collection station according to claim 5 , wherein the dust collection box further comprises an air inlet channel, the inlet end of the air inlet channel is butted with the main body of the dust collection station, and the air inlet channel The outlet end of the filter leads to the top of the first dust collection chamber and is located below the filter screen. 10. The dust collecting station according to claim 9, wherein the dust collecting box further comprises an air inlet duct, the air inlet passage is formed in the air inlet duct, and the air inlet duct is arranged to The direction of the airflow blown out from the outlet end of the air inlet channel is parallel to the filter screen.

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