Cleaning robot and cleaning machine system

Abstract

The cleaning robot includes a housing, a brush roller and a suction device. The housing is provided with a mounting chamber. A debris collecting chamber is communicated with the mounting chamber. The brush roller is pivotally mounted in the mounting chamber and at least a part of the brush roller protrudes from the mounting chamber. The housing is further provided with a debris collecting channel, one end of the debris collecting channel is communicated with the debris collecting chamber, the other end of the debris collecting channel penetrates through the rear end of housing, and the housing is further provided with a first door for opening or closing the debris collecting channel.

What is claimed is: 
     
         1 . A cleaning robot comprising:
 a housing with a mounting chamber in a bottom, and a debris collecting chamber communicated with the mounting chamber;   a brush roller pivotally mounted in the mounting chamber and at least a part of the brush roller protruding from the mounting chamber; and   a suction device mounted in the housing and communicated with the debris collecting chamber;   wherein the housing is further provided with a debris collecting channel, one end of the debris collecting channel is communicated with the debris collecting chamber, the other end of the debris collecting channel penetrates through a rear end of the housing, and the housing is further provided with a first door for opening or closing the debris collecting channel.   
     
     
         2 . The cleaning robot according to  claim 1 , wherein the length of the debris collecting channel is within the range of 3 cm-22 cm. 
     
     
         3 . The cleaning robot according to  claim 1 , wherein the length of the debris collecting channel is within the range of 7 cm-18 cm. 
     
     
         4 . The cleaning robot according to  claim 1 , wherein the debris collecting channel comprises a first debris collecting channel and a second debris collecting channel, and the first debris collecting channel is connected with the debris collecting chamber, and the second debris collecting channel penetrates through the rear end of the housing. 
     
     
         5 . The cleaning robot according to  claim 1 , wherein the cleaning robot further comprises a liquid holding device, and at least part of the debris collecting channel is arranged at or through the liquid holding device. 
     
     
         6 . The cleaning robot according to  claim 1 , wherein a cross section area of at least one end of the debris collecting channel is larger than that of a middle part of the debris collecting channel. 
     
     
         7 . The cleaning robot according to  claim 1 , wherein the first door comprises a door body pivotally mounted in the debris collecting channel, being opened when air in the debris collecting channel flows from an end of the debris collecting channel adjacent to the debris collecting chamber to an end of the debris collecting channel away from the debris collecting chamber, and being closed when the air in the debris collecting channel flows from the end of the debris collecting channel away from the debris collecting chamber to the end of the debris collecting channel adjacent to the debris collecting chamber. 
     
     
         8 . The cleaning robot according to  claim 7 , wherein the door body is pivotally connected to a top inner wall of the debris collecting channel. 
     
     
         9 . The cleaning robot according to  claim 7 , wherein the first door further comprises an elastic return means mounted on the debris collecting channel and acting on the door body so that the door body always has a movement trend of switching from an open state to a closed state. 
     
     
         10 . The cleaning robot according to  claim 8 , wherein a bottom inner wall of the debris collecting channel is protruded with a limiting bulge, the limiting bulge being located behind a position where the door body and the debris collecting channel are connected, and the limiting bulge being configured for butting with a free end of the door body so that the free end of the door body is spaced from the bottom inner wall of the debris collecting channel. 
     
     
         11 . The cleaning robot according to  claim 1 , wherein the housing is provided with an assembly chamber with an open end; and
 the cleaning robot further comprises a debris collecting box mounted in the assembly chamber, the debris collecting box being provided with a debris collecting chamber and a debris inlet, an air outlet and a debris outlet communicated with the debris collecting chamber, the debris inlet being communicated with the mounting chamber, the air outlet being communicated with the suction device, and the debris outlet being communicated with a debris inlet end of the debris collecting channel.   
     
     
         12 . The cleaning robot according to  claim 11 , wherein the debris outlet of the debris collecting box is further provided with a second door configured for opening or closing the debris outlet. 
     
     
         13 . The cleaning robot according to  claim 12 , wherein the second door comprises a portable plate pivotally mounted on a side wall of the debris collecting box,
 wherein the portable plate extends into the debris collecting channel and opens the debris outlet when the air in the debris collecting channel flows from the end of the debris collecting channel adjacent to the debris collecting chamber to the end of the duct collecting duct away from the debris collecting chamber; and   wherein the portable plate closes the debris outlet when the air in the debris collecting channel flows from the end of the debris collecting channel away from the debris collecting chamber to the end of the duct collecting duct adjacent to the debris collecting chamber.   
     
     
         14 . The cleaning robot according to  claim 11 , wherein an outer peripheral wall of the debris collecting box is provided with a first sealing ring surrounding the debris inlet, a second sealing ring surrounding the air outlet and a third sealing ring surrounding the debris outlet, and each of the first sealing ring, the second sealing ring and the third sealing ring being sealed against a wall of the assembly chamber when the debris collecting box is mounted in the assembly chamber. 
     
     
         15 . The cleaning robot according to  claim 1 , wherein a part of the debris collecting channel penetrates through a bottom of the housing to form a maintenance window, and wherein the cleaning robot further comprises a cover plate detachably connected to the housing and covering the maintenance window. 
     
     
         16 . The cleaning robot according to  claim 1 , further comprises a main control module, wherein the debris collecting chamber is located in the front or middle part of the housing, and the suction device is located at the rear of the debris collecting chamber, and the dust collecting channel is at least partially side by side with the suction device or main control module. 
     
     
         17 . The cleaning robot according to  claim 1 , wherein the debris collecting channel extends in a front-to-back direction and is located in a middle of the housing, wherein the suction device and a power supply battery of the cleaning robot are respectively arranged at two sides of the debris collecting channel. 
     
     
         18 . A cleaning machine system, wherein the cleaning machine system comprises a cleaning base station for performing a maintenance process for a cleaning robot, comprising:
 a housing with a mounting chamber in a bottom, and a debris collecting chamber communicated with the mounting chamber,   a brush roller pivotally mounted in the mounting chamber and at least a part of the brush roller protruding from the mounting chamber; and   a suction device mounted in the housing and communicated with the debris collecting chamber; and   wherein the housing is further provided with a debris collecting channel, one end of the debris collecting channel is communicated with the debris collecting chamber, the other end of the debris collecting channel penetrates through the rear end of the housing, and the housing is further provided with a first door for opening or closing the debris collecting channel.   
     
     
         19 . The cleaning robot according to  claim 1 , wherein the cross section area of the two ends of the debris collecting channel are larger than that of the middle part of the debris collecting channel. 
     
     
         20 . A cleaning robot comprising;
 a housing disposed in a D-shape and provided with a front end being in a plane shape and a rear end being in a convex arc shape, a bottom of the housing being recessed with a mounting chamber, and a debris collecting chamber communicated with the mounting chamber being formed on the housing;   a brush roller pivotally mounted in the mounting chamber and at least a part of the brush roller protruding from the mounting chamber;   a suction device mounted in the housing and communicated with the debris collecting chamber; and   a filter device disposed at an air intake side of the suction device;   
       wherein the housing is further provided with a debris collecting channel, one end of the debris collecting channel is communicated with the debris collecting chamber, the other end of the debris collecting channel penetrates through the rear end of the housing, and the housing is further provided with a first door for opening or closing the debris collecting channel.