Small area cleaning robot

Abstract

The utility model belongs to the technical field of robots, and particularly relates to a small-area cleaning robot which comprises a chassis, moving devices are symmetrically arranged on the two sides of the chassis, an obstacle avoiding device and a controller are fixedly arranged at the top end of the chassis, and a cleaning device and a collecting device are sequentially arranged at the bottom end of the chassis from front to back. The sweeping device comprises two supports fixedly connected to the bottom end of the chassis, a roller brush is rotationally connected between the two supports, a protective cover covers the roller brush, a gear motor is fixedly installed at the bottom end of the chassis, and an output shaft of the gear motor is fixedly connected with a rotating shaft of the roller brush. The collecting device comprises a collecting box detachably installed at the bottom end of the chassis, an opening of the collecting box is fixedly connected with a collecting hopper, the collecting hopper is obliquely arranged and communicates with a dust suction assembly, a water spraying assembly is arranged in the collecting box, and the moving device, the obstacle avoiding device, the gear motor, the dust suction assembly and the water spraying assembly are all electrically connected with the controller. The cleaning efficiency and the cleaning effect can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of robots, and in particular relates to a small area cleaning robot. Background Art

[0002] With the advancement of human science and technology and the development of social economy, people hope to get out of the tedious daily affairs. Cleaning robots can meet people's daily needs, which makes it possible for cleaning robots to enter the home. Cleaning robots are a new product in the field of service robots. Although the research in this field in China has achieved initial results, there are still problems such as unstable cleaning effect and insufficient adaptability to complex environments.

[0003] Therefore, it is necessary to design a small area cleaning robot to solve the above technical problems. Utility Model Content

[0004] The utility model aims to provide a small area cleaning robot to solve the problems existing in the above-mentioned prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides a small area cleaning robot, including a chassis, wherein moving devices are symmetrically arranged on both sides of the chassis, an obstacle avoidance device and a controller are fixedly arranged on the top of the chassis, and a cleaning device and a collecting device are arranged in sequence from front to back at the bottom of the chassis; the cleaning device includes two brackets fixedly connected to the bottom of the chassis, a roller brush is rotatably connected between the two brackets, a protective cover is provided on the upper cover of the roller brush, the protective cover is fixedly connected to the bottom of the chassis, a reduction motor is fixedly installed at the bottom of the chassis, and the output shaft of the reduction motor is fixedly connected to the rotating shaft of the roller brush; the collecting device includes a collection box detachably mounted on the bottom of the chassis, the opening of the collection box is arranged corresponding to the roller brush, the opening of the collection box is fixedly connected to a collection bucket, the collection bucket is tilted, the collection bucket is connected to a dust suction component, a watering component is arranged in the collection box, and the moving device, the obstacle avoidance device, the reduction motor, the dust suction component, and the watering component are all electrically connected to the controller.

[0006] Preferably, the mobile device includes a plurality of DC reduction motors symmetrically fixedly mounted on both sides of the chassis, wheels are fixedly mounted on output ends of the DC reduction motors, and the DC reduction motors are electrically connected to the controller.

[0007] Preferably, the dust collection assembly includes a fan fixedly installed in the collection box, the air inlet end of the fan is connected to one end of air duct one, the other end of air duct one is connected to the bucket mouth of the collection bucket, a cyclone separator is fixedly installed in the collection box, the air inlet of the cyclone separator is connected to the air outlet end of the fan through a conduit, the air outlet of the cyclone separator is connected to one end of air duct two, the other end of air duct two passes through the side wall of the collection bucket and extends out of the collection box, the inner bottom wall of the collection box is fixedly connected to a dust box, the dust discharge port of the cyclone separator is connected to the dust box, and the fan is electrically connected to the controller.

[0008] Preferably, the protective cover is rotatably connected to a wind collecting cover on one side close to the collecting bucket, and the wind collecting cover is connected to an end of the air duct away from the cyclone separator through a hose, and the collection box is rotatably connected to one end of a cover curtain on one end close to the protective cover, and the other end of the cover curtain abuts against the top of the protective cover.

[0009] Preferably, the sprinkler assembly includes a water pump, a vertical partition is fixedly connected to the collection box, the collection box is divided into a closed chamber by the vertical partition, the water pump is arranged in the closed chamber, a plurality of nozzles are fixedly installed at one end of the protective cover away from the collection bucket, the water outlet end of the water pump is connected to one end of a water pipe, the other end of the water pipe passes through the side wall of the collection box and is connected to the plurality of nozzles, and the water pump is electrically connected to the controller.

[0010] Preferably, an electric push rod is fixedly mounted on the bottom end of the collecting box, the electric push rod is electrically connected to the controller, and an output end of the electric push rod is vertically fixedly connected to a drag plate, on which a mop is provided.

[0011] Preferably, the obstacle avoidance device comprises an ultrasonic sensor fixedly mounted on the top of the chassis, and the ultrasonic sensor is electrically connected to the controller.

[0012] Preferably, an ultrasonic anti-fall sensor is fixedly mounted on the bottom end of the chassis, and the ultrasonic anti-fall sensor is electrically connected to the controller.

[0013] Compared with the prior art, the utility model has the following advantages and technical effects:

[0014] The utility model provides a small area cleaning robot. The moving device can drive the cleaning robot body to move, the obstacle avoidance device can enable the cleaning robot to avoid obstacles to prevent damage caused by collision, the watering assembly can first spray water on the ground to suppress dust, and the reduction motor can drive the roller brush to rotate to achieve cleaning. The cleaned dust is collected by the dust collection assembly through the collecting bucket, thereby improving the cleaning effect.

[0015] The utility model can avoid obstacles and prevent falling, and can improve the cleaning efficiency and cleaning effect at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor:

[0017] Figure 1 This is a schematic diagram of the structure of the small area cleaning robot proposed by the utility model;

[0018] Figure 2 This is a structural schematic diagram of the small area cleaning robot proposed by the utility model from another perspective;

[0019] Figure 3 It is a cutaway view of the cleaning device and the collecting device in the utility model;

[0020] Among them: 1. chassis; 2. wheels; 3. vertical partition; 4. reduction motor; 5. water pump; 6. water pipe; 7. controller; 8. nozzle; 9. collection bucket; 10. ultrasonic sensor; 11. air duct one; 12. fan; 13. cyclone separator; 14. air duct two; 15. wind collecting hood; 16. DC reduction motor; 17. roller brush; 18. ultrasonic anti-fall sensor; 19. collection box; 20. protective cover; 21. dust collection box; 22. bracket; 23. electric push rod; 24. drag board; 25. cover curtain. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0023] Reference Figures 1 to 3As shown, the utility model provides a small area cleaning robot, including a chassis 1, two sides of the chassis 1 are symmetrically provided with moving devices, the top of the chassis 1 is fixedly provided with an obstacle avoidance device and a controller 7, and the bottom of the chassis 1 is sequentially provided with a cleaning device and a collecting device from front to back; the cleaning device includes two brackets 22 fixedly connected to the bottom of the chassis 1, a roller brush 17 is rotatably connected between the two brackets 22, a protective cover 20 is provided above the roller brush 17, and the protective cover 20 is fixedly connected to the bottom of the chassis 1. A reduction motor 4 is fixedly installed at the bottom, and the output shaft of the reduction motor 4 is fixedly connected to the rotating shaft of the roller brush 17; the collecting device includes a collecting box 19 detachably installed at the bottom of the chassis 1, the opening of the collecting box 19 is arranged corresponding to the roller brush 17, the opening of the collecting box 19 is fixedly connected to a collecting bucket 9, the collecting bucket 9 is arranged at an angle, the collecting bucket 9 is connected to a dust suction component, and a sprinkler component is arranged in the collecting box 19, and the moving device, obstacle avoidance device, reduction motor 4, dust suction component, and sprinkler component are all electrically connected to the controller 7.

[0024] In this embodiment, a battery is installed on the chassis 1, and the battery provides power for the cleaning robot to avoid inconvenience caused by an external power cord to the walking of the cleaning robot; a slide groove is fixedly provided at the top of the collection box 19, and a slider is fixedly provided at the bottom of the chassis 1, and the slider is adapted to the slide groove, thereby realizing that the collection box 19 can be detachably installed on the chassis 1.

[0025] The moving device can be used to drive the cleaning robot body to move, and the obstacle avoidance device can be used to enable the cleaning robot to avoid obstacles to prevent damage caused by collision. The watering assembly can be used to spray water on the ground to suppress dust, and the reduction motor 4 can be used to drive the roller brush 17 to rotate to achieve cleaning. The cleaned dust is collected by the dust collection assembly through the collecting bucket 9 to improve the cleaning effect.

[0026] The utility model can avoid obstacles and prevent falling, and can improve the cleaning efficiency and cleaning effect at the same time.

[0027] Furthermore, the mobile device includes a plurality of DC reduction motors 16 symmetrically fixedly mounted on both sides of the chassis 1 , the wheels 2 are fixedly mounted on the output ends of the DC reduction motors 16 , and the DC reduction motors 16 are electrically connected to the controller 7 .

[0028] In this embodiment, a four-wheel drive is set, that is, two DC reduction motors 16 and two wheels 2 are symmetrically arranged on the left and right sides of the chassis 1, and the wheels 2 are driven to rotate by the motor 16, thereby improving the stability and flexibility of the cleaning robot.

[0029] The speed ratio of the wheels on both sides is controlled by the controller 7 to control the rotation speed and direction of each DC reduction motor 16, thereby realizing differential turning. A single DC reduction motor 16 is selected to independently drive a single wheel 2, which is simple to control and can realize the functions of the cleaning robot moving forward, turning and reversing.

[0030] Furthermore, the dust collection assembly includes a fan 12 fixedly installed in the collection box 19, the air inlet end of the fan 12 is connected to one end of the air duct 11, the other end of the air duct 11 is connected to the bucket mouth of the collection bucket 9, a cyclone separator 13 is fixedly installed in the collection box 19, the air inlet of the cyclone separator 13 is connected to the air outlet end of the fan 12 through a duct, the air outlet of the cyclone separator 13 is connected to one end of the air duct 2 14, the other end of the air duct 2 14 passes through the side wall of the collection bucket 9 and extends out of the collection box 19, the inner bottom wall of the collection box 19 is fixedly connected to the dust box 21, the ash discharge port of the cyclone separator 13 is connected to the dust box 21, and the fan 12 is electrically connected to the controller 7.

[0031] The fan 12 is controlled by the controller 7 to form a negative pressure in the air duct 1 11 and the air duct 2 14, and the dust swept up by the roller brush 17 is introduced into the cyclone separator 13 through the collecting bucket 9. The dust is separated by the cyclone separator 13, and the separated dust slides through the dust discharge port of the cyclone separator 13 to the dust collecting box 21 for collection. At the same time, the separated air is discharged to the atmosphere through the air duct 2 14 connected to the air outlet of the cyclone separator 13.

[0032] Furthermore, the protective cover 20 is rotatably connected to the side close to the collecting bucket 9 with the wind collecting cover 15, and the wind collecting cover 15 is connected to the end of the air duct 14 away from the cyclone separator 13 through a hose. The end of the collecting box 19 close to the protective cover 20 is rotatably connected to one end of the cover curtain 25, and the other end of the cover curtain 25 abuts against the top of the protective cover 20.

[0033] The protective cover 20 and the opening of the collecting box 19 form a closed space by setting the cover curtain 25. At the same time, the air duct 14 and the air collecting hood 15 are connected through a hose, and the gas discharged from the cyclone separator 13 is blown to the collecting bucket 9, further improving the dust collection effect.

[0034] Furthermore, the sprinkler assembly includes a water pump 5, a vertical partition 3 is fixedly connected to the collection box 19, the collection box 19 is divided into a closed chamber by the vertical partition 3, the water pump 5 is arranged in the closed chamber, and a plurality of nozzles 8 are fixedly installed at one end of the protective cover 20 away from the collection bucket 9. The water outlet end of the water pump 5 is connected to one end of a water pipe 6, and the other end of the water pipe 6 passes through the side wall of the collection box 19 and is connected to the plurality of nozzles 8. The water pump 5 is electrically connected to the controller 7.

[0035] The water pump 5 is controlled by the controller 7 to pump the water in the closed chamber to the nozzle 8 through the water pipe 6, and is sprayed from the nozzle 8 to the ground, thereby achieving the effect of dust suppression and facilitating subsequent cleaning.

[0036] Furthermore, an electric push rod 23 is fixedly installed at the bottom end of the collection box 19, and the electric push rod 23 is electrically connected to the controller 7. The output end of the electric push rod 23 is vertically fixedly connected to a drag plate 24, and a mop cloth is arranged on the drag plate 24.

[0037] The controller 7 controls the extension and retraction of the electric push rod 23, thereby controlling the clearance of the drag plate 24 from the ground. The drag plate 24 is provided with a mop to generate friction with the ground and the detergent can effectively remove stains and keep the ground clean.

[0038] Furthermore, the obstacle avoidance device includes an ultrasonic sensor 10 fixedly mounted on the top of the chassis 1 , and the ultrasonic sensor 10 is electrically connected to the controller 7 .

[0039] The ultrasonic sensor 10 is provided to detect obstacles and transmit the information to the controller 7 . The controller 7 controls the DC reduction motor 16 to stop running and issues an audible and visual warning through the audible and visual alarm installed on the chassis 1 .

[0040] Furthermore, an ultrasonic anti-fall sensor 18 is fixedly installed at the bottom end of the chassis 1 , and the ultrasonic anti-fall sensor 18 is electrically connected to the controller 7 .

[0041] The ultrasonic anti-fall sensor 18 monitors the change in the distance between the chassis 1 and the ground, and inputs the monitoring information to the controller 7. The controller 7 controls the DC reduction motor 16 to stop running, and uses the sound and light alarm installed on the chassis 1 to give sound and light warnings to prevent the cleaning robot from falling from steps or heights.

[0042] The small area cleaning robot provided by the utility model has the following working principles: when in use, the speed ratio of the DC reduction motor 16 is controlled by the controller 7, so that the cleaning robot can move forward, turn and reverse, and can move according to the planned path; the controller 7 controls the water pump 5 to operate and pump the water in the closed chamber to the nozzle 8 through the water pipe 6, and the water is sprayed from the nozzle 8 to the ground; at the same time, the controller 7 controls the reduction motor 4 to rotate, and controls the reduction motor 4 to drive the roller brush 17 to roll on the ground to clean the ground; the controller 7 controls the fan 12 to operate, so that negative pressure is formed in the air duct 11 and the air duct 2 14, and the dust swept up by the roller brush 17 is introduced into the cyclone separator 13 through the collecting bucket 9, and the dust is separated by the cyclone separator 13, and the separated dust slides to the dust collecting box 21 through the dust discharge port of the cyclone separator 13 for collection, and the separation The air after the dust collection is blown to the collecting bucket 9 through the air duct 214 connected to the air outlet of the cyclone separator 13 and the hose via the wind collecting hood 15, further improving the dust collection effect. The controller 7 controls the extension and retraction of the electric push rod 23, and then controls the ground clearance of the drag plate 24. The floor is wiped by a mop provided on the drag plate 24. When encountering an obstacle, the ultrasonic sensor 10 can detect the obstacle and transmit the information to the controller 7. The controller 7 controls the DC reduction motor 16 to stop running, and uses the sound and light alarm installed on the chassis 1 to issue a sound and light warning to remind personnel to come and deal with it. The ultrasonic anti-fall sensor 18 monitors the change in the distance between the chassis 1 and the ground, and inputs the monitoring information to the controller 7. The controller 7 controls the DC reduction motor 16 to stop running, and uses the sound and light alarm to issue a sound and light warning to remind personnel to deal with it in time, so as to prevent the cleaning robot from falling from steps or heights.

[0043] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0044] The above are only preferred specific implementations of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by any technician familiar with the technical field within the technical scope disclosed in the present application should be covered within the protection scope of the present application.

Claims

1. A small area cleaning robot, characterized in that: The invention comprises a chassis (1), wherein moving devices are symmetrically arranged on both sides of the chassis (1), an obstacle avoidance device and a controller (7) are fixedly arranged on the top of the chassis (1), and a cleaning device and a collecting device are arranged in sequence from front to back at the bottom of the chassis (1); the cleaning device comprises two brackets (22) fixedly connected to the bottom of the chassis (1), a roller brush (17) is rotatably connected between the two brackets (22), a protective cover (20) is provided above the roller brush (17), the protective cover (20) is fixedly connected to the bottom of the chassis (1), a reduction motor (4) is fixedly installed at the bottom of the chassis (1), and the The output shaft of the reduction motor (4) is fixedly connected to the rotating shaft of the roller brush (17); the collecting device comprises a collecting box (19) detachably mounted on the bottom end of the chassis (1); the opening of the collecting box (19) is arranged corresponding to the roller brush (17); the opening of the collecting box (19) is fixedly connected to a collecting bucket (9); the collecting bucket (9) is arranged tilted; the collecting bucket (9) is connected to a dust suction component; a water sprinkling component is arranged in the collecting box (19); the moving device, the obstacle avoidance device, the reduction motor (4), the dust suction component, and the water sprinkling component are all electrically connected to the controller (7).

2. The small area cleaning robot according to claim 1, characterized in that: The mobile device comprises a plurality of DC reduction motors (16) symmetrically fixedly mounted on both sides of the chassis (1), wheels (2) being fixedly mounted on output ends of the DC reduction motors (16), and the DC reduction motors (16) are electrically connected to the controller (7).

3. The small area cleaning robot according to claim 1, characterized in that: The dust collection assembly comprises a fan (12) fixedly installed in the collection box (19), the air inlet end of the fan (12) is connected to one end of the air duct one (11), the other end of the air duct one (11) is connected to the bucket mouth of the collection bucket (9), a cyclone separator (13) is fixedly installed in the collection box (19), the air inlet of the cyclone separator (13) is connected to the air outlet end of the fan (12) through a conduit, the air outlet of the cyclone separator (13) is connected to one end of the air duct two (14), the other end of the air duct two (14) passes through the side wall of the collection bucket (9) and extends out of the collection box (19), the inner bottom wall of the collection box (19) is fixedly connected to a dust box (21), the dust discharge port of the cyclone separator (13) is connected to the dust box (21), and the fan (12) is electrically connected to the controller (7).

4. The small area cleaning robot according to claim 3, characterized in that: The protective cover (20) is rotatably connected to a wind collecting cover (15) on one side close to the collecting bucket (9); the wind collecting cover (15) is connected to an end of the air duct (14) away from the cyclone separator (13) through a hose; the collecting box (19) is rotatably connected to one end of a cover curtain (25) on one end close to the protective cover (20); the other end of the cover curtain (25) abuts against the top of the protective cover (20).

5. The small area cleaning robot according to claim 1, characterized in that: The watering assembly comprises a water pump (5), a vertical partition (3) is fixedly connected inside the collection box (19), the collection box (19) is divided into a closed chamber by the vertical partition (3), the water pump (5) is arranged in the closed chamber, a plurality of nozzles (8) are fixedly installed on one end of the protective cover (20) away from the collection bucket (9), the water outlet end of the water pump (5) is connected to one end of a water pipe (6), the other end of the water pipe (6) passes through the side wall of the collection box (19) and is connected to the plurality of nozzles (8), and the water pump (5) is electrically connected to the controller (7).

6. The small area cleaning robot according to claim 1, characterized in that: An electric push rod (23) is fixedly mounted at the bottom end of the collecting box (19), the electric push rod (23) is electrically connected to the controller (7), and an output end of the electric push rod (23) is vertically fixedly connected to a drag plate (24), and a mop cloth is arranged on the drag plate (24).

7. The small area cleaning robot according to claim 1, characterized in that: The obstacle avoidance device comprises an ultrasonic sensor (10) fixedly mounted on the top of the chassis (1), and the ultrasonic sensor (10) is electrically connected to the controller (7).

8. The small area cleaning robot according to claim 1, characterized in that: An ultrasonic anti-falling sensor (18) is fixedly mounted on the bottom end of the chassis (1), and the ultrasonic anti-falling sensor (18) is electrically connected to the controller (7).

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