Cleaning robot

Abstract

A cleaning robot including at least a first cleaning roller brush and a second cleaning roller brush which are disposed to perform beating and cleaning on garbage on a to-be-cleaned surface, which is equivalent to beating and cleaning the to-be-cleaned surface at least twice. In addition, a high-power fan is used in combination to suck garbage that is agitated by the cleaning roller brushes into a dust box.

What is claimed is: 
     
         1 . A cleaning robot comprising:
 a body having a front end;   a movement mechanism comprising at least one driving wheel, and configured to support and drive the cleaning robot to move on a to-be-cleaned ground;   a cleaning mechanism comprising a roller brush, and configured to perform cleaning work on the to-be-cleaned ground;   a dust suction mechanism comprising a fan, and configured to suck garbage cleaned off by the cleaning mechanism into the body;   a dust collection mechanism comprising a dust box, and configured to collect the garbage sucked into the body; and   a controller configured to control the cleaning robot to move on the to-be-cleaned ground, to implement autonomous cleaning of the to-be-cleaned ground,   wherein:   the roller brush comprises at least a first cleaning roller brush and a second cleaning roller brush, the first cleaning roller brush and the second cleaning roller brush are disposed at a bottom of the body, and are at least partially exposed from the body;   the first cleaning roller brush and the second cleaning roller brush are configured to clean off garbage on the to-be-cleaned ground during rotation, to facilitate a suction by the dust suction mechanism; and   the fan is disposed inside the body, and a power of the fan is greater than or equal to 65 W.   
     
     
         2 . The cleaning robot according to  claim 1 , wherein with the fan has a rated input power of 80 W, and at the rated input power, a degree of vacuum of the fan ranges from 7.6 Kpa to 8.2 Kpa; and a test value of a flow rate at an inlet when the fan is fully open approximately ranges from 0.72 m3/min to 0.75 m3/min. 
     
     
         3 . The cleaning robot according to  claim 1 , wherein the fan accounts for 0.5% to 1% of a total volume of the cleaning robot. 
     
     
         4 . The cleaning robot according to  claim 3 , wherein the body comprises a chassis, and a chassis height at a position of the fan is smaller than a chassis height at another position at which the fan is not disposed of the body, wherein a value range of the chassis height at the position of the fan is 8 mm to 12 mm; and a value range of the chassis height at another position at which the fan is not disposed of the body is 12 mm to 18 mm. 
     
     
         5 . The cleaning robot according to  claim 1 , wherein rotational speeds of the first cleaning roller brush and the second cleaning roller brush are both greater than or equal to 1500 r/min, or wherein the cleaning mechanism comprises a roller brush motor configured to drive the first cleaning roller brush and the second cleaning roller brush to rotate, and a value range of a power of the roller brush motor is 30 W to 35 W. 
     
     
         6 . The cleaning robot according to  claim 1 , wherein the first cleaning roller brush and the second cleaning roller brush are disposed in a traveling direction of the body, a rotation axis of the first cleaning roller brush and a rotation axis of the second cleaning roller brush are parallel to each other, and the rotation axis of the first cleaning roller brush and the rotation axis of the second cleaning roller brush are both perpendicular to a traveling direction of the cleaning robot,
 wherein a value range of a length of at least one of the first cleaning roller brush and the second cleaning roller brush in a direction of the rotation axis is 190 mm to 195 mm.   
     
     
         7 . The cleaning robot according to  claim 1 , wherein the first cleaning roller brush is a hard roller brush, and the second cleaning roller brush is a bristle roller brush, wherein the hard roller brush is a rubber roller brush, and the bristle roller brush comprises at least bristles, and wherein in a traveling direction of the body, the first cleaning roller brush is located in front of the second cleaning roller brush. 
     
     
         8 . The cleaning robot according to  claim 7 , wherein:
 a value range of a degree of interference of the first cleaning roller brush is 1.5 mm to 2.5 mm;   a value range of a degree of interference of the second cleaning roller brush is 3 mm to 5 mm; and   the degree of interference is a depth by which a cleaning portion of the roller brush extends into an upper surface of the to-be-cleaned ground.   
     
     
         9 . The cleaning robot according to  claim 1 , wherein the cleaning robot further comprises a power supply mechanism comprising a rechargeable battery, configured to provide energy to the cleaning robot, wherein a capacity of the rechargeable battery ranges from 140 Wh to 200 Wh. 
     
     
         10 . The cleaning robot according to  claim 1 , wherein the cleaning robot further comprises a power supply mechanism comprising a rechargeable battery, configured to provide energy to the cleaning robot, wherein a ratio of a capacity of the rechargeable battery to a power of the cleaning robot is greater than or equal to 2500 J/W, or a ratio of a capacity of the rechargeable battery to a height of the cleaning robot ranges from 1.2 Wh/mm to 2.1 Wh/mm. 
     
     
         11 . The cleaning robot according to  claim 1 , wherein the cleaning robot further comprises a power supply mechanism comprising a rechargeable battery, configured to provide energy to the cleaning robot, wherein a battery cycle count of the rechargeable battery for a cleaning robot with a rated input power PE being greater than or equal to 100 W ranges from 640 to 960. 
     
     
         12 . The cleaning robot according to  claim 9 , wherein:
 a proportion of a volume of the rechargeable battery relative to a volume of the cleaning robot is at least 1/25;   the rechargeable battery has a cylindrical shape;   the rechargeable battery is disposed on the body in an assembly direction during installation, wherein the assembly direction is a direction that makes an axis of the battery perpendicular to a horizontal plane.   
     
     
         13 . The cleaning robot according to  claim 9 , wherein a percentage of the rechargeable battery in a total weight of the cleaning robot is greater than or equal to 10%. 
     
     
         14 . The cleaning robot according to  claim 1 , wherein:
 the cleaning robot further comprises a driving motor configured to drive the movement mechanism to move, and a value range of a power of the driving motor is 4 W to 6 W, or a proportion of a sum of the power of the fan and a power of a roller brush motor configured to drive the roller brush to rotate relative to a power of the driving motor is at least 15; and   the movement mechanism is configured to drive the cleaning robot to move at a preset movement speed, wherein a value range of the preset movement speed is 0.1 m/s to 0.2 m/s, or a ratio of a power of the cleaning robot to the preset movement speed is at least 50 J/m.   
     
     
         15 . The cleaning robot according to  claim 1 , wherein an energy input per unit area of the cleaning robot is at least 4000 J/m2, or wherein a ratio of an energy input per unit area of the cleaning robot to a height of the cleaning robot is greater than or equal to 11.7 Wh/m3. 
     
     
         16 . The cleaning robot according to  claim 1 , wherein for a standard test carpet, a cleaning efficiency of the cleaning robot is greater than or equal to 80%, or a ratio of a cleaning efficiency of the cleaning robot to a height of the cleaning robot is greater than or equal to 7/m; or a ratio of a cleaning efficiency of the cleaning robot to a power of the cleaning robot is greater than or equal to 0.004/W. 
     
     
         17 . A cleaning robot comprising:
 a body having a front end;   a movement mechanism configured to support and drive the cleaning robot to move on a to-be-cleaned ground;   a beating mechanism configured to perform beating work on the to-be-cleaned ground;   a dust suction mechanism configured to suck garbage agitated by the beating mechanism into the body;   a dust collection mechanism configured to collect the garbage; and   a power supply mechanism configured to provide energy to the cleaning robot,   wherein:   the cleaning robot has a first cleaning effect, the first cleaning effect is used for representing a cleaning effect produced by cleaning the to-be-cleaned ground once by the cleaning robot by using the beating mechanism and the dust suction mechanism and driven by the movement mechanism; and   the first cleaning effect is represented by a single-time cleaning efficiency; and for a standard test carpet, a ratio of the single-time cleaning efficiency of the cleaning robot to a height of the cleaning robot is greater than or equal to 7/m.   
     
     
         18 . The cleaning robot according to  claim 17 , wherein the cleaning robot is configured to make the ratio of the single-time cleaning efficiency to the height of the cleaning robot greater than or equal to 7/m by operations comprising at least one of:
 A: a beating frequency of the beating mechanism is increased;   B: the beating mechanism beats a same strand of pile of the standard test carpet in at least two directions;   C: a length by which the beating mechanism contacts the standard test carpet in a single time of beating ranges from 190 mm to 195 mm;   D: the beating mechanism comprises a cleaning portion contacting a surface of the to-be-cleaned ground, and a degree of interference between the cleaning portion and the standard test carpet is 2 mm to 5 mm, wherein the degree of interference is used for representing a depth value by which the cleaning portion extends into the standard test carpet;   E: the dust suction mechanism comprises a fan disposed in the body, and a power of the fan is greater than or equal to 65 W; and   F: a movement speed of the cleaning robot is 0.1 m/s to 0.2 m/s, wherein the cleaning robot is configured to make the ratio of the single-time cleaning efficiency to the height of the cleaning robot greater than or equal to 7/m in a combination of operations comprising:   A: the beating frequency of the beating mechanism is greater than or equal to 3000/min;   B: the beating mechanism beats each strand of pile of the standard test carpet in at least two directions; and   E: the dust suction mechanism comprises the fan disposed in the body, and the power of the fan is greater than or equal to 65 W, wherein:   the beating frequency of the beating mechanism is increased in at least one of the operations in A;   the beating mechanism comprises a cleaning roller brush, the cleaning roller brush comprises at least a first cleaning roller brush and a second cleaning roller brush, and the first cleaning roller brush and the second cleaning roller brush clean off the garbage on the to-be-cleaned ground during rotation, to facilitate a suction by the dust suction mechanism; and   the beating mechanism comprises the cleaning roller brush, and a rotational speed of the cleaning roller brush is at least 1500 r/min.   
     
     
         19 . A cleaning robot comprising:
 a body having a front end;   a movement mechanism configured to support and drive the cleaning robot to move on a to-be-cleaned ground;   a beating mechanism configured to perform beating work on the to-be-cleaned ground;   a dust suction mechanism configured to suck garbage agitated by the beating mechanism into the body;   a dust collection mechanism configured to collect the garbage; and   a power supply mechanism configured to provide energy to the cleaning robot,   wherein the cleaning robot is configured to make a ratio of an energy input per unit area produced by cleaning the to-be-cleaned ground once by the cleaning robot by using the beating mechanism and the dust suction mechanism and driven by the movement mechanism to a height of the cleaning robot is greater than or equal to 11.7 Wh/m3.   
     
     
         20 . The cleaning robot according to  claim 19 , wherein the cleaning robot is configured to make the ratio of the energy input per unit area to the height of the cleaning robot greater than or equal to 11.7 Wh/m3 by operations comprising at least one of:
 A: a beating frequency of the beating mechanism is increased;   B: the beating mechanism beats a same strand of pile of a standard test carpet in at least two directions;   C: a length by which the beating mechanism contacts the standard test carpet in a single time of beating ranges from 190 mm to 195 mm;   D: the beating mechanism comprises a cleaning portion contacting a surface of the to-be-cleaned ground, and a degree of interference between the cleaning portion and the standard test carpet is 2 mm to 5 mm, wherein the degree of interference is used for representing a depth value by which the cleaning portion extends into a non-standard test carpet or the standard test carpet;   E: the dust suction mechanism comprises a fan disposed in the body, and a power of the fan is greater than or equal to 65 W; and   F: a movement speed of the cleaning robot is 0.1 m/s to 0.2 m/s, wherein   the cleaning robot is configured to make the ratio of the energy input per unit area to the height of the cleaning robot greater than or equal to 11.7 Wh/m3 in a combination of operations comprising:   A: the beating frequency of the beating mechanism is greater than or equal to 3000/min;   B: the beating mechanism beats each strand of pile of the standard test carpet in at least two directions; and   E: the dust suction mechanism comprises the fan disposed in the body, and the power of the fan is greater than or equal to 65 W, wherein:   the beating frequency of the beating mechanism is increased in at least one of the operations in A;   the beating mechanism comprises a cleaning roller brush, the cleaning roller brush comprises at least a first cleaning roller brush and a second cleaning roller brush, and the first cleaning roller brush and the second cleaning roller brush clean off the garbage on the to-be-cleaned ground during rotation, to facilitate the suction by the dust suction mechanism; and   the beating mechanism comprises the cleaning roller brush, and a rotational speed of the cleaning roller brush is at least 1500 r/min.