Double-Roller Floor Washing Robot and Floor Washing Method Thereof

Abstract

A double-roller floor washing robot and floor washing method thereof, the double-roller floor washing robot comprising a robot body, wherein the robot body is provided with a cleaning apparatus; the cleaning apparatus comprises a roller assembly and a water circulation system; the roller assembly comprises a first roller, a second roller, and a roller drive apparatus; the water circulation system comprises a clear water tank, a roller gear box, a drain water tank, and a fan; the first roller and the second roller are located in the roller gear box; the roller gear box is provided with a water flow passage; the clear water tank is in communication with the water flow passage; the roller gear box is in communication with the drain water tank; the drain water tank is in communication with the fan; and the fan is in communication with an air outlet.

1 . A double-roller floor washing robot, comprising a robot body ( 1 ), wherein the robot body ( 1 ) is provided with a cleaning apparatus and an air outlet; the cleaning apparatus comprises a roller assembly and a water circulation system; the roller assembly comprises a first roller ( 51 ) and a second roller ( 52 ) which are disposed in parallel, and a roller drive apparatus for driving the first roller ( 51 ) and the second roller ( 52 ) to rotate; the rotation direction the first roller ( 51 ) is consistent with the forward or backward direction of the robot; the rotation direction of the second roller ( 52 ) is opposite to the rotation direction of the first roller ( 51 ); the water circulation system comprises a clear water tank ( 61 ), a roller gear box ( 64 ), a drain water tank ( 62 ), and a fan ( 65 ); the first roller ( 51 ) and the second roller ( 52 ) are located in the roller gear box ( 64 ); the roller gear box ( 64 ) is provided with a water flow passage ( 71 ); the water flow passage ( 71 ) is provided with a plurality of water outlet holes ( 72 ) facing the first roller ( 51 ) and/or the second roller ( 52 ); the clear water tank ( 61 ) is in communication with the water flow passage ( 71 ) of the roller gear box ( 64 ); the roller gear box ( 64 ) is in communication with the drain water tank ( 62 ); the drain water tank ( 62 ) is in communication with the fan ( 65 ) via a first air duct ( 66 ); and the fan ( 65 ) is in communication with the air outlet ( 11 ) via a second air duct. 
     
     
         2 . The double-roller floor washing robot according to  claim 1 , wherein the roller gear box ( 64 ) comprises a first box body ( 641 ), and a second box body ( 642 ) enwrapping the first box body ( 641 ); the first box body ( 641 ) and the second box body ( 642 ) are provided therebetween with a sealed accommodation chamber, so as to form the water flow passage ( 71 ). 
     
     
         3 . The double-roller floor washing robot according to  claim 2 , wherein the drain water tank ( 62 ) comprises a drain water tank body, a filtration apparatus, and a drain water tank induction apparatus; and the drain water tank induction apparatus is electrically connected to a control system of the robot. 
     
     
         4 . The double-roller floor washing robot according to  claim 1 , wherein the clear water tank ( 61 ) comprises a clear water tank body, a water pump ( 612 ) disposed in the clear water tank body, and a clear water tank induction apparatus; and the clear water tank induction apparatus is electrically connected to the control system of the robot. 
     
     
         5 . The double-roller floor washing robot according to  claim 1 , wherein the roller gear box ( 64 ) is provided with a drain water recovery groove at the internal bottom at a position corresponding to the first roller ( 51 ) and the second roller ( 52 ). 
     
     
         6 . The double-roller floor washing robot according to  claim 1 , wherein the first roller ( 51 ) comprises a first roller body, and a cleaning cloth disposed on the outer surface of the first roller body. 
     
     
         7 . The double-roller floor washing robot according to  claim 6 , wherein the outer surface of the cleaning cloth is made from one of nylon, bamboo fiber, dacron, and chinlon, or a combination thereof. 
     
     
         8 . The double-roller floor washing robot according to  claim 6 , wherein the second roller ( 52 ) has the same structure as the first roller ( 51 ). 
     
     
         9 . A floor washing method of the double-roller floor washing robot, comprising: the robot is activated; the first roller ( 51 ) and the second roller ( 52 ) rotate close to a floor under the action of the roller drive apparatus ( 53 ); the water pump ( 612 ) pumps clear water from the clear water tank ( 61 ), and sprays the clear water on the rolling first roller ( 51 ) and second roller ( 52 ) via the water outlet hole ( 72 ) of the water flow passage ( 71 ); while the first roller ( 51 ) and the second roller ( 52 ) clean the floor, the first roller ( 51 ) and the second roller ( 52 ) are also cleaned; the rolling first roller ( 51 ) rotates in the forward or backward direction of the robot, and the second roller ( 52 ) rotates in a direction opposite to the first roller ( 51 ); under the action of centrifugal forces of the first roller ( 51 ) and the second roller ( 52 ), the water sprayed on the first roller ( 51 ) and the second roller ( 52 ) or on the floor is thrown away from the first roller ( 51 ) and the second roller ( 52 ); the fan ( 65 ) sucks the water or rubbish on the first roller ( 51 ) and the second roller ( 52 ) or on the floor in the drain water tank ( 62 ), so as to clean the floor, the first roller ( 51 ) and the second roller ( 52 ). 
     
     
         10 . The double-roller floor washing robot according to  claim 2 , wherein the clear water tank ( 61 ) comprises a clear water tank body, a water pump ( 612 ) disposed in the clear water tank body, and a clear water tank induction apparatus; and the clear water tank induction apparatus is electrically connected to the control system of the robot. 
     
     
         10 . The double-roller floor washing robot according to  claim 2 , wherein the clear water tank ( 61 ) comprises a clear water tank body, a water pump ( 612 ) disposed in the clear water tank body, and a clear water tank induction apparatus; and the clear water tank induction apparatus is electrically connected to the control system of the robot. 
     
     
         11 . The double-roller floor washing robot according to  claim 3 , wherein the clear water tank ( 61 ) comprises a clear water tank body, a water pump ( 612 ) disposed in the clear water tank body, and a clear water tank induction apparatus; and the clear water tank induction apparatus is electrically connected to the control system of the robot. 
     
     
         12 . The double-roller floor washing robot according to  claim 2 , wherein the roller gear box ( 64 ) is provided with a drain water recovery groove at the internal bottom at a position corresponding to the first roller ( 51 ) and the second roller ( 52 ). 
     
     
         13 . The double-roller floor washing robot according to  claim 3 , wherein the roller gear box ( 64 ) is provided with a drain water recovery groove at the internal bottom at a position corresponding to the first roller ( 51 ) and the second roller ( 52 ). 
     
     
         14 . The double-roller floor washing robot according to  claim 2 , wherein the first roller ( 51 ) comprises a first roller body, and a cleaning cloth disposed on the outer surface of the first roller body. 
     
     
         15 . The double-roller floor washing robot according to  claim 3 , wherein the first roller ( 51 ) comprises a first roller body, and a cleaning cloth disposed on the outer surface of the first roller body.