Dining table cleaning robot

Abstract

The dining table cleaning robot comprises a main robot and a sub-robot parked on the main robot, the main robot is provided with a radar, a lifting platform, a turnover plate and a garbage can, the radar is used for navigating the main robot to a dining table needing to be cleaned, and the lifting platform is used for driving the sub-robot and the turnover plate to ascend or descend. When the main robot ascends to the target height, the overturning plate rotates to build a channel for the sub-robot to travel between the main robot and the dining table, so that the sub-robot travels to the tabletop of the dining table; the sub-robot is provided with a cleaning device and a garbage tipping bucket, and is used for cleaning a path through which the sub-robot passes and storing garbage into the garbage tipping bucket; and when the sub-robot returns to the position above the main robot, the garbage tipping bucket rotates and dumps the garbage, so that the stored garbage is dumped into a garbage can of the main robot. According to the dining table cleaning robot, the child robot and the mother robot are combined, the overall size of the dining table cleaning robot can be kept small, and meanwhile all-around cleaning of dining tables of different sizes can be achieved.

Description

Technical Field

[0001] The present invention belongs to the technical field of restaurant cleaning, and in particular relates to a table cleaning robot. Background Art

[0002] Campus cafeterias host large numbers of students and faculty during mealtimes, and tables are frequently used. Cleaning campus tables is primarily a manual process, requiring staff to wield cleaning tools like rags and detergents, cleaning each table individually. While commercial cleaning equipment is available, specialized equipment for cleaning campus tables is limited. Conventional cleaning equipment cannot adapt to the complex flow of people in campus cafeterias, nor can it meet the specific needs of quickly cleaning campus tables without disrupting students and faculty dining. For example, some large cleaning robots are bulky and struggle to maneuver between the cramped tables and chairs in campus cafeterias. Smaller cleaning equipment, on the other hand, offers limited cleaning capabilities and cannot effectively address a wide range of stains. Summary of the Invention

[0003] In view of the above-mentioned deficiencies in the prior art, the present invention provides a table cleaning robot and a method for using the same.

[0004] In order to achieve the above-mentioned object of the invention, the present invention adopts the following technical solutions:

[0005] A table cleaning robot comprises a main robot and a sub-robot parked on the main robot. The main robot is equipped with a radar, a lifting platform, a flip plate, and a trash can. The radar is used to navigate the main robot to the table that needs to be cleaned. The flip plate and the sub-robot are located on the lifting platform. The lifting platform is used to drive the sub-robot and the flip plate to rise or fall. When the sub-robot reaches a target height, the flip plate rotates to build a passage between the main robot and the table for the sub-robot to travel, so that the sub-robot can travel to the table top.

[0006] The sub-robot is provided with a cleaning device and a garbage bucket, which are used to clean the path passed by the sub-robot and collect garbage into the garbage bucket; when the sub-robot returns to the main robot, the garbage bucket rotates and dumps the collected garbage into the garbage bin of the main robot.

[0007] As a preferred solution, an infrared ranging module is provided on the back of the flip plate to detect the height of the lifting platform;

[0008] When the sub-robot needs to go to the table to perform a cleaning task, the lifting platform rises to a first target height above the table top, and the passage built between the main robot and the table top serves as a downhill passage;

[0009] When the sub-robot needs to return to the main robot, the lifting platform descends to a second target height below the dining table top, with the passage built between the dining table top and the main robot as a downhill passage.

[0010] As a preferred solution, a pressure sensor is provided on the back of the flip plate;

[0011] The flip plate rotates until it contacts the dining table, and the pressure sensor detects the pressure value, and the flip plate stops rotating, so as to build a passage between the main robot and the table top for the sub-robot to travel.

[0012] As a preferred solution, a sewage recovery cavity is provided on the back of the flip plate, and the flip plate has a water permeable hole running through the front and back sides thereof, and the water permeable hole is connected to the sewage recovery cavity.

[0013] As a preferred solution, the main robot is provided with a sewage storage tank, and the sewage recovery chamber is located above the sewage storage tank and is connected via a hose;

[0014] Among them, the sewage storage tank is a drawer-type structure.

[0015] As a preferred solution, the cleaning device includes an electric roller brush, and a garbage bucket is located at the rear side of the electric roller brush, which is used to clean the garbage on the dining table and recycle the garbage into the garbage bucket.

[0016] As a preferred solution, the sub-robot is provided with a cleaning liquid storage tank, a cleaning liquid nozzle is provided at the bottom of the sub-robot, and the cleaning liquid nozzle is connected to the cleaning liquid storage tank via a cleaning liquid pipeline;

[0017] Among them, the cleaning liquid nozzle is located on the rear side of the garbage bucket.

[0018] As a preferred solution, the bottom of the sub-robot is provided with two oppositely distributed electric rotating rags, and the rotation directions of the two electric rotating rags are respectively rotating toward opposite inner sides;

[0019] Among them, the electric rotating rag is located at the rear side of the cleaning liquid nozzle.

[0020] As a preferred solution, a cleaning scraper is provided at the tail of the sub-robot, and a damping rotating structure is adopted at the connection between the cleaning scraper and the sub-robot frame so that the cleaning scraper is in close contact with the table top.

[0021] As a preferred solution, the cleaning scraper is provided with a water-absorbing material for wiping water stains on the table top.

[0022] As a preferred solution, the lifting platform adopts a screw drive mechanism to rise or fall.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] The table cleaning robot of the present invention adopts a combination of a mother and a sub-robot, which can keep its overall size small while also achieving all-round cleaning of tables of different sizes. The sub-robot is parked on the main robot, and the main robot navigates to the table that needs to be cleaned through radar. After arriving at the designated location, it rises to the target height through the lifting platform, and then rotates through the flip plate to build a bridge-type connection structure, and builds a channel for the sub-robot to travel between the lifting platform and the table top, so that the sub-robot can smoothly drive to the table; then, through the cleaning device carried by the sub-robot, the path passed by the sub-robot is effectively cleaned, and the garbage along the way is collected into the garbage bucket of the sub-robot; when the table top is cleaned, the sub-robot returns to the main robot, and rotates and dumps the collected garbage through the garbage bucket, and dumps the collected garbage into the garbage can of the main robot, realizing intelligent cleaning of the table. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 2 is a schematic structural diagram of a table cleaning robot according to embodiment 1 of the present invention;

[0026] Figure 2 is a schematic structural diagram of the master robot in Example 1 of the present invention;

[0027] Figure 3 This is a schematic diagram of the structure of the passage between the main robot and the table top in accordance with the first embodiment of the present invention;

[0028] Figure 4 is a schematic structural diagram of another state of the master robot in Example 1 of the present invention;

[0029] Figure 5 It is a schematic structural diagram of the sub-robot of Example 1 of the present invention. DETAILED DESCRIPTION

[0030] To more clearly illustrate the embodiments of the present invention, specific embodiments of the present invention will be described below with reference to the accompanying drawings. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings and other embodiments can be obtained based on these drawings without inventive efforts.

[0031] Example 1:

[0032] like Figure 1 As shown, the table cleaning robot of this embodiment adopts a parent-child robot structure, which is used to clean the table 0, and includes a main robot 1 and a sub-robot 2 parked on the main robot 1.

[0033] like Figure 2As shown, the main robot 1 is equipped with a radar, a lifting platform 12, a flip plate 13, a trash can 14 and a sewage storage tank 15. The radar is used to navigate the main robot 1 to the dining table that needs to be cleaned. After arriving at the designated location, it is necessary to enable the sub-robot 2 to travel from the main robot 1 to the dining table with different heights. The main robot 1 drives the lifting platform 12 to rise or fall through the screw lifting technology; this embodiment adopts four screws 16 and their drive motors, and uses STM32 as the controller to achieve synchronous drive. The speed of the drive motor is controlled by outputting PWM waves from STM32, thereby realizing the transmission lifting platform 12 to rise or fall to adapt to dining tables of different heights.

[0034] like Figure 3 As shown, the flip plate 13 of this embodiment is rotatably installed on one side of the lifting platform 12. When the lifting platform 12 rises or falls to the target height position, the flip plate 13 is driven to rotate by the stepper motor 3 to build a bridge-type connection structure between the mobile platform 12 and the dining table 0, providing a driving channel from the mobile platform 12 to the table top of the dining table.

[0035] In addition, if Figure 4 As shown, an infrared ranging module 4 is provided on the back of the flip plate 13 for detecting the height of the lifting platform 12; when the sub-robot 2 needs to go to the table to perform a cleaning task, the lifting platform 12 rises to a first target height above the table top, with the passage built between the main robot 1 and the table top as a downhill passage; when the sub-robot 2 needs to return to the main robot 1, the lifting platform 12 descends to a second target height below the table top, with the passage built between the table top and the main robot 1 as a downhill passage; this allows the sub-robot 2 to smoothly drive to the dining table and save electricity consumption, thereby achieving the effect of energy saving and emission reduction.

[0036] A pressure sensor 5 is also provided on the back of the flip plate 13 of this embodiment. With this design, when the flip plate 13 rotates to contact the dining table, the pressure sensor 5 detects the pressure value and the flip plate 13 stops rotating, thereby building a channel between the main robot 1 and the dining table for the sub-robot 2 to travel.

[0037] In this embodiment, a sewage recovery cavity 130 is provided on the back of the flip plate 13. The flip plate 13 has water holes 131 that pass through the front and back of the flip plate 13. The water holes 131 are connected to the sewage recovery cavity 130. The water holes 131 are distributed in an array.

[0038] In addition, a sewage storage tank 6 is provided at the bottom of the main robot 1. A sewage recovery chamber 130 is located above the sewage storage tank 6 and is connected to the sewage storage tank 6 via a hose 7. The sewage recovery chamber 130 on the back of the flip plate of this embodiment can cover all the water permeable holes 131, collecting sewage that drips from the water permeable holes 131 and then collecting the sewage into the sewage storage tank 6 via the hose 7. The sewage storage tank 6 is a drawer-type structure. When cleaning is required, the tank body of the sewage storage tank 6 can be pulled out and the sewage can be dumped.

[0039] like Figure 2 As shown, the middle portion of the lifting platform 12 of this embodiment is a hollow structure 120 , and a trash can 14 is installed directly below to collect the trash stored by the sub-robot 2 .

[0040] like Figure 5 As shown, the sub-robot 2 of this embodiment is provided with a cleaning device 21 and a garbage bucket 22, which are used to clean the path passed by the sub-robot 2 and collect the garbage into the garbage bucket 22; when the sub-robot 2 returns to the lifting platform 12 of the main robot 1, the garbage bucket 22 is located above the hollow structure 120 of the lifting platform, and the garbage bucket 22 rotates and dumps, thereby dumping the collected garbage into the trash can 14 of the main robot.

[0041] Specifically, the cleaning device 21 is an electric roller brush, and the garbage dump 22 is located behind the electric roller brush. It is used to clean the garbage left on the table surface and recycle the garbage into the garbage dump 22 behind the electric roller brush using a specific rotation direction. The electric roller brush is driven by a DC motor, and the garbage dump 22 is controlled by a steering gear to rotate and dump.

[0042] In addition, a cleaning liquid storage tank 23 is provided on the top of the sub-robot 2, and a cleaning liquid nozzle 24 is provided on the bottom of the sub-robot 2. The cleaning liquid nozzle 24 is connected to the cleaning liquid storage tank 23 through a cleaning liquid pipeline, so that the cleaning liquid is sprayed on the table for cleaning; wherein, the cleaning liquid nozzle 24 is located on the rear side of the garbage dump bucket 22.

[0043] The bottom of the sub-robot 2 of this embodiment is provided with two relatively distributed electric rotating rags 25 driven by a DC motor. The rotation directions of the two electric rotating rags 25 are respectively rotated toward the opposite inner sides, so that the cleaning liquid is gathered inward; wherein, the electric rotating rags 25 are located on the rear side of the cleaning liquid nozzle 23, so that after the cleaning liquid is sprayed, the electric rotating rags 25 are used to wipe off the oil stains remaining on the dining table.

[0044] In addition, the tail of the sub-robot 2 in this embodiment is equipped with a cleaning blade 26. The connection between the cleaning blade 26 and the sub-robot 2 frame utilizes a damped rotating structure to ensure that the cleaning blade 26 adheres closely to the tabletop. The cleaning blade 26 is made of a water-absorbing material and is used to wipe away small amounts of water stains on the tabletop. When the sub-robot 2 returns to the lifting platform 12 of the main robot 1, it scrapes any remaining water stains onto the flip plate 13, where they drip through the permeable holes 13 into the wastewater recovery chamber 130 on the back of the flip plate.

[0045] The above-mentioned rotating structure with damping properties may be specifically described in the prior art and will not be elaborated here.

[0046] The working process of the table cleaning robot of this embodiment includes:

[0047] The robot uses radar to navigate to the dining table that needs cleaning. After arriving at the designated location, the main robot drives the lifting platform to a height higher than the table surface through the screw rod. The stepper motor then drives the flip plate to rotate, creating a downhill passage between the lifting platform and the table surface for the sub-robot to drive, allowing the sub-robot to smoothly drive to the table.

[0048] The sub-robot uses its cleaning device, electric rotary mop, and cleaning scraper to effectively clean the path it passes through, collecting garbage along the way into its garbage bucket. When the desktop is cleaned, a wireless signal is transmitted to the main robot to return. The main robot's lifting platform is driven by a screw to descend from above the desktop to below the desktop. The flip plate rotates, forming a downhill passage between the desktop and the lifting platform. As the sub-robot returns to the main robot, the cleaning scraper collects any remaining water stains on the desktop. When passing through the water-permeable area of the flip plate, the water collected by the cleaning scraper flows through the water-permeable area into the sewage recovery chamber, and then flows through a hose to the sewage storage tank. When cleaning is required, the tank body can be pumped out for sewage disposal. When the sub-robot returns to the initial position of the main robot's lifting platform, the servo controls the garbage bucket to dump the collected garbage into the trash can inside the main robot, completing the cleaning process.

[0049] The above description is only a detailed description of the preferred embodiments and principles of the present invention. For ordinary technicians in this field, based on the ideas provided by the present invention, there may be changes in the specific implementation methods, and these changes should also be considered as the scope of protection of the present invention.

Claims

1. A table cleaning robot, characterized in that: The robot comprises a main robot and a sub-robot parked on the main robot. The main robot is equipped with a radar, a lifting platform, a flip plate and a trash can. The radar is used to navigate the main robot to the dining table that needs to be cleaned. The flip plate and the sub-robot are located on the lifting platform. The lifting platform is used to drive the sub-robot and the flip plate up or down. When the sub-robot reaches the target height, the flip plate rotates to build a passage between the main robot and the dining table for the sub-robot to travel to, so that the sub-robot can drive to the table top. The sub-robot is provided with a cleaning device and a garbage dump bucket, which are used to clean the path passed by the sub-robot and collect garbage into the garbage dump bucket; When the sub-robot returns to the main robot, the garbage bucket rotates and dumps the collected garbage into the garbage bin of the main robot.

2. The table cleaning robot according to claim 1, characterized in that: An infrared ranging module is provided on the back of the flip plate to detect the height of the lifting platform; When the sub-robot needs to go to the table to perform a cleaning task, the lifting platform rises to a first target height above the table top, and the passage built between the main robot and the table top serves as a downhill passage; When the sub-robot needs to return to the main robot, the lifting platform descends to a second target height below the dining table top, with the passage built between the dining table top and the main robot as a downhill passage.

3. The table cleaning robot according to claim 1, characterized in that: A pressure sensor is provided on the back of the flip plate; The flip plate rotates until it contacts the dining table, and the pressure sensor detects the pressure value, and the flip plate stops rotating, so as to build a passage between the main robot and the table top for the sub-robot to travel.

4. The table cleaning robot according to claim 1, characterized in that: A sewage recovery cavity is provided on the back of the turnover plate. The turnover plate has a water permeable hole that passes through the front and back of the turnover plate. The water permeable hole is communicated with the sewage recovery cavity.

5. The table cleaning robot according to claim 4, characterized in that: The main robot is provided with a sewage storage tank, and the sewage recovery chamber is located above the sewage storage tank and is connected via a hose; Among them, the sewage storage tank is a drawer-type structure.

6. The table cleaning robot according to any one of claims 1 to 5, characterized in that: The cleaning device comprises an electric roller brush, and a garbage bucket is located at the rear side of the electric roller brush and is used for cleaning garbage on the table top and recycling the garbage into the garbage bucket.

7. The table cleaning robot according to claim 6, characterized in that: The sub-robot is provided with a cleaning liquid storage tank, and a cleaning liquid spray head is provided at the bottom of the sub-robot, and the cleaning liquid spray head is connected to the cleaning liquid storage tank through a cleaning liquid pipeline; Among them, the cleaning liquid nozzle is located on the rear side of the garbage bucket.

8. The table cleaning robot according to claim 7, characterized in that: The bottom of the sub-robot is provided with two electric rotating rags which are arranged opposite to each other, and the rotation directions of the two electric rotating rags are respectively rotating toward opposite inner sides; Among them, the electric rotating rag is located at the rear side of the cleaning liquid nozzle.

9. The table cleaning robot according to claim 1, characterized in that: The tail of the sub-robot is provided with a cleaning scraper, and the connection between the cleaning scraper and the sub-robot frame adopts a rotating structure with damping so that the cleaning scraper is closely attached to the table top.

10. The table cleaning robot according to claim 9, characterized in that: The cleaning scraper is provided with a water-absorbing material and is used to wipe water stains on the table top.

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